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Using Secondary Sources in an English Essay

  • The English essay as research essay
  • Finding good secondary sources for English essays
  • Tips on using secondary sources
  • Effective summarizing and paraphrasing
  • Documenting sources in MLA style (Modern Languages Association)

The English Essay as Research Essay

While much of what you will write in an English essay is based on your own analysis of a text, there is certainly a place for research and the use of secondary sources in an English essay. Research helps you to define or explain

  • word meanings
  • literary allusions
  • cultural, political, religious and historical background
  • authors’ biographies
  • literary critics’ interpretations

These explanations can all be helpful in relating a literary work to broader contexts, in explaining who mythical characters are, in understanding the influence and effect of a work on readers and other writers, and so on.

As soon as you use your first secondary source, you are venturing into research. Research essays are based on information and opinion that you find and read; however, this information and opinion  need to be synthesized and assimilated by  you , so you can express, in turn, what you know and think about the subject.

Using Secondary Sources

Some literary secondary sources provide background information on literary texts, such as a text’s reception by critics on its publication, or events in the author’s life that may have influenced the text, and so on. However, you may find that you turn to secondary sources more for critics’ interpretations of the texts you are writing about than for background information.

Finding Good Secondary Sources for English Essays

  • Many instructors provide lists, sometimes in their course outlines, of good secondary sources. Your texts, as well, may have forewords, afterwords, introductions, glossaries, background information, and further reading lists. Get to know your texts well.
  • Critical, edited editions of a literary work usually provide a wealth of references to secondary sources in the form of "further reading" lists.
  • Use the library online catalogue to find a particular author’s works; the catalogue may provide a link for "nearby items on shelf" which you can explore for additional works by the author or books by critics on the author's works. You can also browse the stacks where the author's works are located to find relevant articles and books.
  • Online Indexes – Indexes are like search engines, but they search only for articles that have been published in academic journals/periodicals and other academic sources. You can search an index for relevant articles. Many indexes make full-text articles available online, some don’t and you have to find the print periodical to read the article in full. They are the best way to search for articles.
  • Related Websites – The subject guide also lists websites related to the study of English literature. Take some time to browse through the sites listed. Note how they differ from essay selling sites in their emphasis on the free dissemination of knowledge and on the people and institutions behind the knowledge.
  • Reference Books - The subject guide also lists all the reference books pertinent to English and where they are in the reference section of the library.
  • Google Scholar can get you started finding scholarly sources online.

Many undergraduate English essays do not require extensive use of secondary sources. Critical editions of literary works, the library stacks, online indexes and subject guides should yield plenty with which to work. Finding good secondary sources is, of course, only a first step. The second step is to use them properly.

Tips on Using Secondary Sources

  • Use what the critics have to say to support your own thesis. That is why it is so important to follow good essay writing procedures and think things through as much as possible on your own first.
  • Sometimes the well runs dry, and you just can’t come up with much on your own. Use a critic sparingly to spark an idea, but then try to run with it yourself. You will have to cite the critic for the idea, but how you go on to apply it will be yours.
  • Sometimes you come up with something yourself and then find a critic saying the same thing. It’s still your idea, and you can present it as your own and use the critic to add support and authority. Sometimes you may disagree with a critic’s interpretation. Feel free to use the critic’s argument as a starting point and then present your own ideas in opposition.
  • The main source of support and evidence for your points is the primary text. Try to draw your conclusive evidence from the primary text, the work in question.
  • Keep the idea of synthesis in mind. A synthesis is a whole that was created by mixing together separate parts. Some of the ideas in your essay may be yours backed up by evidence from the primary text, and some belong to various critics, but the whole is created by mixing the parts together. You, as synthesizer and essay-writer, properly subordinate the critics, and you use them so they can best help support your thesis.

Remember, yours is the intelligence that mixes together what you think and what others think (by always telling the reader when it is you speaking and when it is someone else and who that someone else is). Yours is the voice that should most strongly come through.

Read more about effective summarizing and paraphrasing to avoid plagiarism.

  • Understanding The English Essay
  • Developing a Topic and Thesis for an English Essay
  • Drafting the English Essay
  • Glossary of Common Formal Elements of Literature
  • Documenting Sources in MLA Style (Modern Languages Association)
  • USC Libraries
  • Research Guides

Organizing Your Social Sciences Research Paper

  • Secondary Sources
  • Purpose of Guide
  • Design Flaws to Avoid
  • Independent and Dependent Variables
  • Glossary of Research Terms
  • Reading Research Effectively
  • Narrowing a Topic Idea
  • Broadening a Topic Idea
  • Extending the Timeliness of a Topic Idea
  • Academic Writing Style
  • Applying Critical Thinking
  • Choosing a Title
  • Making an Outline
  • Paragraph Development
  • Research Process Video Series
  • Executive Summary
  • The C.A.R.S. Model
  • Background Information
  • The Research Problem/Question
  • Theoretical Framework
  • Citation Tracking
  • Content Alert Services
  • Evaluating Sources
  • Primary Sources
  • Tiertiary Sources
  • Scholarly vs. Popular Publications
  • Qualitative Methods
  • Quantitative Methods
  • Insiderness
  • Using Non-Textual Elements
  • Limitations of the Study
  • Common Grammar Mistakes
  • Writing Concisely
  • Avoiding Plagiarism
  • Footnotes or Endnotes?
  • Further Readings
  • Generative AI and Writing
  • USC Libraries Tutorials and Other Guides
  • Bibliography

In the social sciences, a secondary source is usually a scholar book, journal article, or digital or print document that was created by someone who did not directly experience or participate in the events or conditions under investigation. Secondary sources are not evidence per se, but rather, provide an interpretation, analysis, or commentary derived from the content of primary source materials and/or other secondary sources.

Value of Secondary Sources

To do research, you must cite research. Primary sources do not represent research per se, but only the artifacts from which most research is derived. Therefore, the majority of sources in a literature review are secondary sources that present research findings, analysis, and the evaluation of other researcher's works.

Reviewing secondary source material can be of valu e in improving your overall research paper because secondary sources facilitate the communication of what is known about a topic. This literature also helps you understand the level of uncertainty about what is currently known and what additional information is needed from further research. It is important to note, however, that secondary sources are not the subject of your analysis. Instead, they represent various opinions, interpretations, and arguments about the research problem you are investigating--opinions, interpretations, and arguments with which you may either agree or disagree with as part of your own analysis of the literature.

Examples of secondary sources you could review as part of your overall study include:     * Bibliographies [also considered tertiary]     * Biographical works     * Books, other than fiction and autobiography     * Commentaries, criticisms     * Dictionaries, Encyclopedias [also considered tertiary]     * Histories     * Journal articles [depending on the discipline, they can be primary]     * Magazine and newspaper articles [this distinction varies by discipline]     * Textbooks [also considered tertiary]     * Web site [also considered primary]

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  • Introductions
  • Thesis Statements
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  • What are Primary and Secondary Sources?
  • Using Summary
  • Make Your Sources Speak

What Are Primary and Secondary Sources?

A primary source is a source that you are analyzing as the writer. In other words, there is no mediary between you and the text; you are the one doing the analysis.

Some examples of primary sources:

A secondary source , then, is a source that has also done analysis of the same (or a similar) topic. You will then use this source to discuss how it relates to your argument about the primary source. A secondary source is a mediary between you and the primary source. Secondary sources can also help your credibility as a writer; when you use them in your writing, it shows that you have done research on the topic, and can enter into the conversation on the topic with other writers.

Some examples of secondary sources:

Summary: When and How Do I Use It?

  One of the important distinctions to make when coming to terms with a text is knowing when to summarize it, when to paraphrase it, and when to quote it. Here’s what Joseph Harris, author of the textbook Rewriting: How to Do Things with Texts ,  has to say:

  “Summarize when what you have to say about a text is routine and quote when it is more contentious” (21).

In other words, quote when you need to rely on the voice of the writer, when you need the language of the text to help you make a point. Otherwise, try to use paraphrase or summary, so that your ideas are still the main focus.

 Summarizing a text can distract your reader from your argument, especially if you rely on lengthy summaries to capture a source in a nutshell. However, it can also prove an effective rhetorical tool: you just need to know when to use it.

You can use summary in the following ways:  

         - When the source offers important background about your ideas

       - When you need to provide your readers with an overview of a source’s entire argument before analyzing certain ideas from it

       - When the source either supports your thesis, or when it offers a position you want to argue against or analyze more in-depth

Here is a sample summary. What do you notice about it?

Ryuko Kubota argues in “Ideologies of English in Japan” that the debate over English’s place in the Japanese language disappeared with the militaristic rule of the 1930s and 1940s, when Japan rejected and/or suppressed the learning of English and other languages in favor of heavy nationalism. However, he adds that the debate returned during America’s occupation of Japan and has periodically been a topic for debate since.  Japanese politicians have always seen English as an important tool for Japan’s success as an industrial nation on a global scale. However, instead of molding itself to the English of the Western world, Japan has integrated English to fit its ideologies, to serve its own needs; indeed, to become part of the Japanese language.

1. This is a succinct summary; the entire summary is only three sentences.

2. The final sentence of the paragraph is the writer's attempt to make a connection between the article and her own ideas for her paper. This is an important step in using summary; it's important to always show the reader how/why the summary is important/relevant.

Paraphrasing: When/How/Why Should I Do It?

Paraphrasing gives you the room to condense a text’s ideas into your own words.  You can use this, for example, to rewrite a definition, to emphasize important points, or to clarify ideas that might be hard for the reader to understand if you quote the original text.

When you paraphrase, remember that you still need to cite the source in-text!

Depending on your field and the style guide your field follows, you may be required to paraphrase more than quote or summarize. Make sure you are familiar with the writing conventions for your field. APA, for example, draws much more on paraphrase than MLA.

Example of a Paraphrase

Let’s look at an example of a paraphrase.  Note that here the author of this paraphrase has used the author’s name first as an attributive tag – she is letting the reader know who wrote this.  She then goes on to put the writer’s ideas into her own words, but acknowledges directly where the ideas came from by using the in-text citation at the end of the second sentence.

    - This is a paraphrase for MLA; in APA, the year would come after Honna's name in parentheses.

In source-based or synthesis writing, we try to not only express our ideas using our own voice, but to also express our ideas through the voices of those we are citing. In their book Wriiting Analytically , Rosenwasser and Stephen offer six strategies to use in researched writing to make our sources speak, to make them come alive.

Here are some typical problems we encounter when using primary and secondary sources:

     - Leaving quotations and paraphrases to speak for themselves

     - Not differentiating your own voice from the voices of your sources (ventriloquizing)

     - Resorting to overly agreeing and disagreeing as your only means of responding to a source (other than summary)

Primary and secondary sources are nothing to fear. Many times we either leave sources to speak for themselves or ignore them altogether because we are afraid of losing our own voices. These strategies, listed below, are designed to help us know when and how to use quotes, and how not to become lost in the process.

Strategy 1: Make Your Sources Speak

v Quote, paraphrase, or summarize in order to analyze , as opposed to in place of analyzing.  Don’t assume that the meaning of your source material is self-evident.  Instead, explain to your readers what the quote, paraphrase, or summary means.  For example, what aspects do you find interesting or strange?  And relate these aspects to your overall thesis.   Your focus here in analysis should be on how the source leads you to your conclusion – beware of generalizing or putting two quotes next to each other without explaining the connection.

Using Strategy #1 : How are you using your sources?  Are you taking the time to develop points from your sources, or are you just using evidence – and is it clear why you are using it?  Highlight/bracket analysis, mark in a different color where analysis is not present immediately following source.  

Strategy 2: Use Your Sources to Ask Questions, Not Just to Provide Answers

v Use your selections from your sources as a means to raise issues and questions; avoid the temptation to use selections that provide answers without any commentary or further elaboration.  If you feel stuck with this, consider the source alongside other contexts (other sources, for example) and compare and contrast them to see if there are aspects of your topic that your source does not adequately address.

Using Strategy #2: Again, ask: how are you using your sources as question generators?  What how/why questions do your sources generate?  Look over the evidence you’ve used, and jot down the how/why questions you think your evidence creates.  Next, go through your paper.  Do you see yourself addressing these questions?  Mark your analysis appropriately so you can see how you’re addressing these questions (or not).  

Strategy 3: Put Your Sources in Conversation with One Another

v This is an extension of strategy 2.  Rather than limiting yourself to the only conversationalist with each source, aim for conversation among them.  Although it is not wrong to agree or disagree with your sources, it is wrong to see these as your only possible moves.  You should also understand that although it is sometimes useful and perhaps even necessary to agree or disagree, these judgments should 1) always be qualified and 2) occur only in certain contexts .  Instead of looking just at how you agree or disagree, try to imagine what these critics might say to one another.  Looking at sources in this way may prove useful as you explore your topics further in depth.

Using Strategy #3:

    This is a way for your sources to address one another directly, while also giving you more room to expand on your ideas through a slightly different form of analysis.  For example: what might the person you interviewed think about the secondary sources you found?  Would they agree with the claims you see your sources making, or would they disagree?  Why – what about their interview suggests this?  Make a list of possible dialogues your sources could have with one another.  

Strategy 4: Find Your Own Role in the Conversation

v Even though it’s important to not be the only person in the essay agreeing and disagreeing with the texts, it is important that you establish what you think and feel about each source.  After all, something compelled you to choose it, right?  In general, you have two options when you are in agreement with a source.  You can apply it in another context to qualify or expand its implications, or you can seek out other perspectives in order to break the hold it has on you.  In the first option, to do this, instead of focusing on the most important point, choose a lesser yet equally interesting point and work on developing that idea to see if it holds relevance to your topic.  The second option can also hold new perspectives if you allow yourself to be open to the possibilities of other perspectives that may or may not agree with your original source.

Using Strategy #4: While it’s important that you create a distinct voice for all the different kinds of sources you’ve used (interview, fieldwork, scholarly journals/books, etc.), it’s perhaps even more important that you have a clear role in this conversation that is your research essay.  Look over your paper: is it clear what you think?  Is it clear what is your voice, and what are the ideas/opinions of your sources? (Hint: your voice should still be clear in the midst of your sources, if you are taking the time to analyze them and develop your analysis as fully as possible.)  Highlight places where you voice – what you think – is clear.  Highlight in a different color places where your voice is unclear, or needs to be expressed more fully.

Strategy 5: Supply Ongoing Analysis of Sources (Don’t Wait Until the End)

v Instead of summarizing everything first and then leaving your analysis until the end, analyze as you quote or paraphrase a source .  This will help yield good conversation, by integrating your analysis of your sources into your presentation of them.

Using Strateg y #5:

Are your sources presented throughout the paper with careful analysis attending to each one?  Or are you presenting all your sources first, and analyzing them later?  Look through your paper, and mark places where you see yourself not analyzing your sources as you go.  Also: are there places where you see too much analysis, and not enough evidence?  Be sure to mark those places as well.  

Strategy 6: Attend Carefully to the Language of Your Sources by Quoting or Paraphrasing Them

v Rather than generalizing broadly about the ideas in your sources, you should spell out what you think is significant about their key words.  Quote sources if the actual language they use is important to your point; this practice will help you to present the view of your source fairly and accurately.  Your analysis will also benefit from the way the source represents its position (which may or may not be your position) with carefully chosen words and phrases.  Take advantage of this, and use the exact language to discuss the relevance (or not) of the quote to the issue you’re using it for.

Using Strategy #6: When paraphrasing or quoting a source, it’s important that you use the language of the source to help explain it – it keeps the reader in the moment with you, and helps him/her understand the key terms of that source – why you chose, why these words are so important, etc.  Look over your evidence, both quoted and paraphrased: are you using the language of the quote to help explain it?  Or is your analysis removed from the “moment of the source” (i.e. the language which the source uses to illustrate its point)?  Mark places where you think it’s important to use the language of the source to help analyze and develop the evidence more completely.  

  • Strategies for Using Quotes
  • Floating Quotations
  • How to Integrate Quotations

Attributed Quotations

Integrated Quotations

Strategies for Using Quotations In-Text

Acknowledge sources in your text, not just in citations:  

      “According to Lewis” or “Whitney argues.”

Use a set-up phrase, and splice the most important part of quotations in with your own words:

     According to Paul McCartney, “All you need is love.”

  Or phrase it with a set-up:

     Patrick Henry’s famous phrase is one of the first American schoolchildren memorize:

     “Give me liberty, or give me death.”

Anytime you use a quote, cite your source after the quotation:  

     Maxine Greene might attribute this resistance to “vaguely perceived expectations; they

     allow themselves to be programmed by organizations and official schedules or forms” (43).

Use ellipses to shorten quotations:

      “The album ‘OK Computer’ …pictured the onslaught of the information age and a young

        person’s panicky embrace of it” (Ross 85) .

Use square brackets to alter or add information within a quotation:  

      Popular music has always “[challenged] the mores of the older generation,” according to

      Nick Hornby.

Acc ording to Janet Gardner in her book Writing About Literature , there are three ways that we tend to use quotes:

Gardner advocates that we stay away from “floating quotations,” use at least an “attributed quotation,” and use “integrated quotations” as much as possible.

You will recognize a floating quotation when it looks as though the writer has simply lifted the passage from the original text, put quotations around it, and (maybe) identified the source.

Doing this can create confusion for the reader, who is left to guess the context and the reason for the quote.

This type of quoting reads awkward and choppy because there is no transition between your words and the language of the text you are quoting.

Example of a Floating Quotation; text taken from All She was Worth , by Miyuki Miyabe    

  Both Honma and Kyoko were rejected and looked down upon by Jun and Chizuko’s family when entering into marriage with their respective partners. “About her cousin – Jun’s father – and his family: what snobs they were, with fixed ideas on education and jobs” ( Miyabe 17).This passage shows that Honma and Kyoko were both being judged by their future in-laws by superficial stipulations.

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  • Last Updated: Mar 8, 2021 10:50 AM
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  • Working with sources
  • How to Integrate Sources | Explanation & Examples

How to Integrate Sources | Explanation & Examples

Published on July 12, 2022 by Eoghan Ryan . Revised on June 1, 2023.

Integrating sources means incorporating another scholar’s ideas or words into your work. It can be done by:

  • Paraphrasing

Summarizing

By integrating sources properly, you can ensure a consistent voice in your writing and ensure your text remains readable and coherent. You can use signal phrases to give credit to outside sources and smoothly introduce material into your academic writing .

Below is an example that uses all three methods of integrating sources, but you can integrate sources using only one method or a combination of them.

For Jung, the collective unconscious is expressed through innate, universal images. These are associated with the stages of self-actualization that result in the integration of the conscious and the unconscious. As Jung stated, the “goal of the individuation process is the synthesis of the self” (1969, p. 164).

Table of contents

Signal phrases, other interesting articles, frequently asked questions about integrating sources.

When you quote , you include the exact words of another author in your research paper , in quotation marks, without changing them.

Quoting can be useful for providing precise definitions . You can also quote material when you want to analyze the author’s language or style, or when it’s difficult to convey the author’s meaning in different words.

Quoted text must be enclosed in quotation marks . You can integrate quotes effectively by introducing them in your own words, providing relevant background information, or explaining why the quote is relevant.

Prevent plagiarism. Run a free check.

Paraphrasing means putting another author’s ideas into your own words while retaining the original meaning.

Paraphrasing is useful when you want to show your understanding of the original source. It also helps you to integrate sources smoothly, maintaining a consistent voice throughout your paper and maintaining focus on the material that’s relevant to your argument.

When paraphrasing, be careful to avoid accidental plagiarism . Make sure that your paraphrase is sufficiently different to the original text and is properly cited. You must put the material into your own words, substantially changing the structure or wording of the original text. This is true for all source types . You can also paraphrase the text by   by using a paraphrasing tool.  

When you summarize a source, you give an overview of its central arguments or conclusions .

Summaries should be much shorter than the original text. They should be written in your own words and should not quote from the original source.

When summarizing, you don’t analyze the original text—you only describe it.

Signal phrases are used to attribute a quote or idea to another author. You can use them when you quote, paraphrase, or summarize primary, secondary and tertiary sources .

Signal phrases:

  • Introduce material from an outside source
  • Provide relevant background information
  • Help to characterize the author’s ideas and your own perspective on them

A signal phrase usually includes the name of the author and an attribute tag such as “has criticized,” followed by the relevant quote or idea.

Signal phrases can be used alongside in-text citations to distinguish your work from the sources you cite. Each citation style has its own format that you must follow. The most common styles are APA in-text citations and MLA in-text citations .

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The AI-powered Citation Checker helps you avoid common mistakes such as:

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example of secondary sources essay

If you want to know more about ChatGPT, AI tools , citation , and plagiarism , make sure to check out some of our other articles with explanations and examples.

  • ChatGPT vs human editor
  • ChatGPT citations
  • Is ChatGPT trustworthy?
  • Using ChatGPT for your studies
  • What is ChatGPT?
  • Chicago style

 Plagiarism

  • Types of plagiarism
  • Self-plagiarism
  • Avoiding plagiarism
  • Academic integrity
  • Consequences of plagiarism
  • Common knowledge

There are three ways you can integrate sources into your writing:

  • Quoting : This means including the exact words of another author in your paper without changing them.
  • Summarizing : This means giving an overview of a source’s key points.
  • Paraphrasing : This means putting another author’s ideas into your own words.

Whenever you reference a source, you must provide a citation in order to avoid plagiarism .

In academic writing , there are three main situations where quoting is the best choice:

  • To analyze the author’s language (e.g., in a literary analysis essay )
  • To give evidence from primary sources
  • To accurately present a precise definition or argument

Don’t overuse quotes; your own voice should be dominant. If you just want to provide information from a source, it’s usually better to paraphrase or summarize .

To paraphrase effectively, don’t just take the original sentence and swap out some of the words for synonyms. Instead, try:

  • Reformulating the sentence (e.g., change active to passive , or start from a different point)
  • Combining information from multiple sentences into one
  • Leaving out information from the original that isn’t relevant to your point
  • Using synonyms where they don’t distort the meaning

The main point is to ensure you don’t just copy the structure of the original text, but instead reformulate the idea in your own words.

A summary is a short overview of the main points of an article or other source, written entirely in your own words. Want to make your life super easy? Try our free text summarizer today!

To avoid plagiarism when summarizing an article or other source, follow these two rules:

  • Write the summary entirely in your own words by paraphrasing the author’s ideas.
  • Cite the source with an in-text citation and a full reference so your reader can easily find the original text.

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Ryan, E. (2023, June 01). How to Integrate Sources | Explanation & Examples. Scribbr. Retrieved August 26, 2024, from https://www.scribbr.com/working-with-sources/integrating-sources/

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example of secondary sources essay

Primary, Secondary & Tertiary Sources

What they are and how they compare (with examples)

By: Derek Jansen (MBA) | Expert Reviewed By: Kerryn Warren (PhD) | January 2023

If you’re new to the wild world of research, you’re bound to encounter the terrible twins, “ primary source ” and “ secondary source ” sooner or later. With any luck, “ tertiary sources ” will get thrown into the mix too! In this post, we’ll unpack both what this terminology means and how to apply it to your research project.

Overview: Source Types

  • Primary sources
  • Examples of primary sources
  • Pros and cons of primary data
  • Secondary sources
  • Examples of secondary sources
  • Pros and cons of secondary data
  • Tertiary sources
  • Summary & recap

What are primary sources?

Simply put, primary sources (also referred to as primary data) are the original raw materials, evidence or data collected in a study. Primary sources can include interview transcripts , quantitative survey data, as well as other media that provide firsthand accounts of events or phenomena. Primary sources are often considered to be the purest sources because they provide direct, unfiltered data which has not been processed or interpreted in any way.

In addition to the above, examples of primary sources can include

  • Results from a social media poll
  • Letters written by a historical figure
  • Photographs taken during a specific time period
  • Government documents such as birth certificates and census records
  • Artefacts like clothing and tools from past cultures

Naturally, working with primary data has both benefits and drawbacks. Some of the main advantages include

  • Purity : primary sources provide firsthand accounts of events, ideas, and experiences, which means you get access to the rawest, purest form of data.
  • Perspective : primary sources allow you to gain a deeper understanding of the perspectives of the people who created them, providing insights into how different groups of people viewed an event or phenomenon.
  • Richness : primary data often provide a wealth of detail and nuance that can be missed in secondary data (we’ll cover that shortly). This can provide you with a more complete and nuanced understanding of their topic.

On the flip side, some of the main disadvantages include

  • Bias : given their “rawness”, primary sources can often contain biases that can skew or limit your understanding of the issue at hand.
  • Inaccessibility : sometimes, collecting fresh primary data can be difficult or even impossible. For example, photographs held in private collections or letters written in a language that you’re not fluent in.
  • Fragility : physical artefacts such as manuscripts may be fragile and require special handling, which can make them difficult for you to access or study.
  • Limited scope : primary sources often only provide a glimpse of a particular event, person, or period of time, so you may need to rely on multiple primary sources to gain a more complete understanding of a topic.

As you can see, the strengths and weaknesses of primary sources are oftentimes two sides of the same coin . For example, primary data allow you to gain insight into peoples’ unique perspectives, but at the same time, it bakes in a significant level of each participant’s personal bias. So, it’s important to carefully consider what your research aim is and whether it lends itself to this type of data source.

Now that you’ve got a clearer picture of what primary sources/data are, let’s take a look at secondary sources.

example of secondary sources essay

What are secondary sources?

Secondary sources are materials that provide an analysis or interpretation of primary sources (primary data). For example, secondary sources of information can include books, journal articles and documentaries . Unlike primary sources (which are raw and uninterpreted), secondary sources provide a distilled, interpreted view of the data.

Other examples of secondary sources include

  • A book that provides an analysis of an event
  • A biography of a pop icon
  • An article that provides an interpretation of a public opinion poll
  • A blog post that reviews and compares the performance of competing products

As with primary sources, secondary sources have their own set of pros and cons. Some of the main advantages include:

  • Convenience: secondary sources are often easier to access and use than primary sources, as they are widely available in libraries, journal databases, etc.
  • Interpretation and synthesis : secondary sources provide a synthesis of the topic of interest, which can help you to quickly understand the most important takeaways from a data set.
  • Time-saving : secondary sources can save you time, as you don’t need to analyse primary sources yourself – you can just read summaries or interpretations provided by experts in the field.

At the same time, it’s important to be aware of the disadvantages of secondary sources. Some of the main ones to consider are

  • Distance from original sources : secondary sources are based on primary data, but the information has been filtered through the lens of the author, which will naturally carry some level of bias and perhaps even a hidden agenda.
  • Limited context: secondary sources may not provide the same level of contextual information or detail as primary sources, which can limit your understanding of the situation and contribute toward a warped understanding.
  • Inaccuracies : since secondary sources are the product of human efforts, they may contain inaccuracies or errors, especially if the author has misinterpreted primary data.
  • Outdated information : secondary sources may be based on primary sources that are no longer valid or accurate, or they may not take into account more recent research or discoveries.

It’s important to mention that primary and secondary data are not mutually exclusive . In other words, it doesn’t always need to be one or the other. Secondary sources can be used to supplement primary data by providing additional information or context for a particular topic.

For example, if you were researching Martin Luther King Jr., your primary source could be transcripts of the speeches he gave during the civil rights movement. To supplement this information, you could then use secondary sources such as biographies written about him or newspaper articles from the time period in which he was active.

So, once again, it’s important to think about what you’re trying to achieve with your research – that is to say, what are your research aims? As with all methodological choices, your decision to make use of primary or secondary data (or both), needs to be informed by your overall research aims .

Before we wrap up though, it’s important to look at one more source type – tertiary sources.

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example of secondary sources essay

What are tertiary sources?

Last but not least, we’ve got tertiary sources . Simply put, tertiary sources are materials that provide a general overview of a topic . They often summarise or synthesise information from a combination of primary and secondary sources, such as books, articles, and other documents.

Some examples of tertiary sources include

  • Encyclopedias
  • Study guides
  • Dictionaries

Tertiary sources can be useful when you’re just starting to learn about a completely new topic , as they provide an overview of the subject matter without getting too in-depth into specific details. For example, if you’re researching the history of World War II, but don’t know much about it yet, reading an encyclopedia article (or Wikipedia article) on the war would be helpful in providing you with some basic facts and background information.

Tertiary sources are also useful in terms of providing a starting point for citations to primary and secondary source material which can help guide your search for more detailed, credible information on a particular topic. Additionally, these types of resources may also contain lists of related topics or keywords which you can use to find more information regarding your topic of interest.

Importantly, while tertiary sources are a valuable starting point for your research, they’re not ideal sources to cite in your dissertation, thesis or research project. Instead, you should aim to cite high-quality, credible secondary sources such as peer-reviewed journal articles and research papers . So, remember to only use tertiary sources as a starting point. Don’t make the classic mistake of citing Wikipedia as your main source!

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Let’s recap

In this post, we’ve explored the trinity of sources: primary, secondary and tertiary.

  • Primary sources include the original raw evidence or data that you collect yourself in a study. For example, interview transcripts or statistical data.
  • Secondary sources include distilled analyses and interpretations of primary data that someone else collected in their study. For example, journal articles and critical analysis pieces.
  • Tertiary sources include materials that provide a general overview of a topic. For example, encyclopedias, study guides and handbooks.
  • Each source type has its own set of strengths and weaknesses , and can play a different role within a research project.
  • Primary sources and secondary sources are not necessarily mutually exclusive – they can work together to provide a comprehensive view.
  • It’s important to ensure that your choice of source (or sources) is guided by and aligned with your research aims .

If you’d like to learn more about primary and secondary research, be sure to check out the rest of the Grad Coach blog here . Alternatively, if you’re looking for hands-on help with your project, take a look at our 1-on-1 private coaching service .

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Types of Sources and Where to Find Them: Secondary Sources

This is the second video in a two-part tutorial on primary and secondary sources. Historians and other scholars classify sources as primary or secondary. Whereas primary sources are considered the raw material of the historical record, and are usually created around the same time as the events they purport to document, secondary sources are further removed from these historical events or circumstances. Typically, secondary sources offer an interpretation of the past based on analysis and synthesis of primary sources.

Examples of secondary sources include:

  • surveys of broad historical periods,
  • works that focus on specific events or topics,
  • literary and cultural criticism,
  • and works on theory and methodology.

Secondary sources can be found in books, journals, or Internet resources.

When we talk about secondary sources, most of the time we are referring to the published scholarship on a subject, rather than supplementary material like bibliographies, encyclopedias, handbooks, and so forth. These supplementary materials are sometimes referred to as tertiary sources.

A secondary source is analytical and interpretive. It may offer a new reading of historical events and primary sources that have been analyzed before, or present an analysis of events and sources that were previously unknown or not written about. A secondary source might also synthesize the work of other historians in order to formulate a totally new interpretation. You will use secondary sources to identify the main currents of thought on your topic, and to answer questions, like:

  • Which historians have taken up this topic?
  • What were their main arguments?
  • How have historians’ understanding of the topic changed over time?

To identify secondary literature, you can do subject searches in the library catalog to find books, or subject searches in article databases to find articles. The most important databases for finding peer-reviewed articles by historians are: America: History and Life, which covers the history of North America and Historical Abstracts, which covers the rest of the world since 1450. You can also consult standard published bibliographies, like the American Historical Association’s Guide to Historical Literature, or specialized bibliographies, like this bibliography of medieval warfare. You may find more lengthy treatments of the topic published as book chapters, journal articles, or even as individual monographs. You can read about the topic in a subject encyclopedia and look at the bibliography at the end of the entry. You can find a major work of scholarship on the topic, and follow up on the sources used by the author.

Most of the time you will find the secondary literature you need by using

  • the library catalog,
  • the appropriate article databases,
  • subject encyclopedias,
  • bibliographies,
  • and by consulting with your instructor.

Remember to keep track of all the sources you’ve used. At some point, you’ll want to list them in a bibliography of your own.

  • Harvard Library
  • Research Guides
  • Faculty of Arts & Sciences Libraries

Library Research Guide for the History of Science: Introduction

  • What is a Secondary Source?
  • Background and Context/Biography
  • Exploring Your Topic
  • Using HOLLIS

Page Contents

Recognizing secondary sources, find secondary sources, finding bibliographies.

  • What is a Primary Source?
  • Exploring the Special Collections at Harvard
  • Citing Sources & Organizing Research
  • Recognizing Secondary Sources
  • Finding Secondary Sources

Secondary sources were created by someone who did not experience first-hand or participate in the events or conditions you’re researching. For a historical research project, secondary sources are generally scholarly books and articles.

A secondary source interprets and analyzes primary sources. These sources are one or more steps removed from the event. Secondary sources may contain pictures, quotes or graphics of primary sources.

Some types of secondary source include:  Textbooks; journal articles; histories; criticisms; commentaries; encyclopedias 

Examples of secondary sources include:

  • A scholarly article about water and bathing in Mexico City, 1850-1920
  • A book about the psychological effects of WWI
  • A 2019 U.S. government document examining the work of African Americans at two Manhattan Project sites
  • An NPR piece on race and vaccine skepticism

For a historical research project, secondary sources are usually scholarly books and articles, but as you can see from this list there are other possibilties.

History of Science, Technology and Medicine (Harvard Login)  (1975- ) is an index of books, book chapters, and journal articles. Some social sciences material is included. 

  • HSTM is an amalgamation of four separate indexes with four different subject term systems; study the results of keyword searches to be sure that you know the proper subject terms for your topic in each of the, possibly four, relevant component databases. For example, the Wellcome Bibliography uses "Contraception" but the Isis Current Bibliography uses "Birth control".
  • If you want to limit the coverage of your sources to a particular era, put one of these terms in a search box:  Antiquity or Ancient - “Greek and Roman” - “Middle Ages” or medieval - 13th  century - 14th century - 15 th  century - 16 th  century - 17th century - 18th century - 19th century - 20th century
  • More detailed information about the use of this complex database.

ISISCB Bibliographic Resources in the History of Science, Technology and Medicine  indexes the Isis Current Bibliography.  Search results extend back to 1970.  It also offers a browse of the  Isis Cumulative Bibliographies  (1913-1975).  Search ISISCB Explore

PubMed (Harvard Login for full text access)  (1947- ) is the National Library of Medicine's index to biomedical journal articles.

  • To limit to historical sources, attach the phrase (in"") "historical article" to your search. Example: "Psychology, clinical" and "historical article".
  • Be sure to look for MeSH (Medical Subject Headings) on pertinent records by scrolling down past the abstracts. (Not all records in PubMed have MeSH terms.) Subject headings can help you get to more relevant records and/or can be helpful keyword suggestions.

America: History and Life (Harvard login)  is the primary bibliographic reference to the history of the United States and Canada from prehistory to the present.

Historical Abstracts (Harvard Login)  is a reference guide to the history of the world from 1450 to the present (excluding the United States and Canada, which are covered in America: History and Life, above).

  • Both allow coverage date limitations as well as publication date limitations, Can usually use LC terms, not always 

Bibliography of British and Irish History (Harvard Login)  provides bibliographic data on historical writing dealing with the British Isles, and with the British empire and commonwealth, during all periods for which written documentation is available - from 55BC to the present.

  • At the link above, choose BBIH from the top row of options.

The Forest History Society Research Portal  offers over 45,000 citations to published items on environmental history, over 30,000 photographs, and other material.

Web of Science Citation Indexes (Harvard Login)  (for historical articles1956- ) includes articles in all areas of science. You can use the Cited Reference Search in Web of Science to find secondary source articles that cite a specified secondary or primary source article or book. More information .

Library Guide to the History of Science Your guide to the History of Science at Harvard. It has more extensive lists of resources and tools than this introductory guide does.

There may already be a detailed list of sources, a bibliography, for your topic. Bibliographies don't always come at the end of a paper- many are independent works of their own, full of recommended sources on any given topic.

For example:

  • Microbes and Minie Balls: An Annotated Bibliography of Civil War Medicine (Print Only) , by F. R. Freemon. Rutherford: Fairleigh Dickinson University Press, 1993, 253 pp.                          
  • Annotated Bibliography on Medical Research in the South Pacific (Harvard login for HathiTrust full text), by Norman-Taylor, William, South Pacific Commission, 1963. 371pp.

Look for specialized subject bibliographies: search, e.g., <"science and state" AND China AND bibliography>   in HOLLIS  and WorldCat (advanced search). Note:The word Bibliography must be searched as a Subject keyword.

If you find an older article or book in a bibliography, you can use the Cited Reference Search in Web of Science to find more recent articles by seeing who has cited it.   If you have a bibliography of primary sources, then the Web of Science can be used to find secondary sources that cite a specified primary source. See Searching the Citation Indexes (Web of Science) .

  • << Previous: Using HOLLIS
  • Next: What is a Primary Source? >>
  • Last Updated: Aug 5, 2024 2:36 PM
  • URL: https://guides.library.harvard.edu/HistSciInfo

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Primary and secondary sources: what are they and why do I need them?

example of secondary sources essay

What are the main differences between primary and secondary sources?

Why do i need to use both primary and secondary sources in my research, examples of primary and secondary sources, frequently asked questions about primary and secondary sources, related articles.

Primary and secondary sources are the two main types of source materials that you will use for your research project. They are both important and needed for your project. Whether you are going to use more primary or more secondary sources depends on your academic level - undergrad, postgrad, or professional.

Both types of sources have importance and merits of their own, but they are also immensely different. This guide will help you understand the differences. If you want to learn even more about both source types separately, where and how you can access them, and when and how to use them, check out the links below:

➡️  What is a primary source?

➡️  What is a secondary source?

The main difference between primary and secondary sources is that primary sources are contemporary.

Primary sources are original and originated from the event they refer to. They are not reviews, analyses, or critiques of events that occurred in the past. They are first-hand information.

Secondary sources are summaries, critiques, opinions, and analyses. They are written by people who did not witness, or have any direct part to play in the event they are describing. The information they contain is based on primary sources and is the author’s interpretation of the event/subject they are covering.

Using both types of sources adds to the merit of your research. By including references to secondary sources , you are showing that you have truly engaged with your research topic. You are providing extra information and displaying a well-rounded approach to your topic. You are not relying solely on the work of one person, or one institution, for your analysis to be based upon. You are reading broadly and contextually.

Likewise, including primary source references in your research shows that you are also going back to the roots. You are looking at the event or object as it happened, without being able to teleport through time and space. A primary source is vital because it will enable you to make your own judgement on an event or object. Secondary sources are always biased, in one sense or another, so engaging with the primary source yourself allows you to view the topic objectively.

Primary and secondary sources complement each other - looking at both can give you a deeper understanding of each. A primary source can help you to evaluate a secondary source - you will notice aspects of it which the author dismisses, or washes over in their discussion. Likewise, a secondary source can tell you about current trends in research and analysis, while providing you with a broad overview or summary of an extended period of time, or the works of an artist.

We have put together a list of examples of primary and secondary sources by fields of study. It will help you identify the nature of your source.

TypeArts/HumanitiesSciences

Primary sources

Poems, diaries, letters, paintings, government records, maps, interviews (transcribed or recorded), photographs, newspaper articles

Results of experiments, case studies, results of clinical trials, minutes of meetings, proceedings of conferences

Secondary sources

Biographies, Histories, Reviews, Encyclopaedias, Literary criticism

Discussion of importance, analysis of clinical trial, review of results

Primary sources are original and originated from the event they refer to. They are not reviews, analyses, or critiques of events that occurred in the past. They are first-hand information. For a more detailed description of what a primary source is, where you can access them, and why you need to use them, see this article about primary sources .

Secondary sources are summaries, critiques, opinions, and analyses. They are written by people who did not witness, or have any direct part to play in the event they are describing. The information they contain is based on primary sources, and is the author’s interpretation of the event/subject they are covering. See this article about secondary sources for further information.

Some examples of primary sources are: Poems, diaries, letters, paintings, government records, maps, interviews (transcribed or recorded), photographs, newspaper articles, results of experiments, case studies, results of clinical trials, minutes of meetings, and proceedings of conferences

Some examples of secondary sources are: Biographies, histories, reviews, encyclopaedias, literary criticism, discussions of importance, analysis of clinical trials, and reviews of results.

The one main difference between primary and secondary sources is that primary sources are contemporary and secondary sources are not.

How to give a good scientific presentation

Primary and Secondary Sources

  • Primary Sources
  • Finding Primary Sources

Primary vs. Secondary Sources

  • Scholarly Sources
  • Finding Secondary (and Scholarly) Sources

A  secondary source  is one that was created later by someone that did not experience firsthand or participate in the events in which the author is writing about. Secondary sources often summarize, interpret, analyze or comment on information found in primary sources.

Common examples of secondary sources include:

  • Biographies
  • Literary Criticism
  • Journal articles that do not present new research
Primary vs. Secondary Source Examples
Academic Discipline Primary Source Secondary Source
Science (Biology, Chemistry, etc.) A research study that contains materials, methods, and results section describing an experiment performed by the author(s) An article commenting on the results of an original study
History Slave narrative Book about the underground railroad
Nursing A quantitative or qualitative study that contains a materials, methods and results section describing an experiment performed by the author(s) A review article that summarizes what is known about a topic
Psychology Patient interview tape Biography of Sigmund Freud
Business NASDAQ stock quote Historical stock analysis
Political Science US Census statistics Book about urban population changes in the US
English Poem Criticism of the poem
  • << Previous: Finding Primary Sources
  • Next: Scholarly Sources >>
  • Last Updated: Aug 7, 2024 10:10 AM
  • URL: https://library.uhv.edu/sources

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When you’re delving into research, you’ll come across two main types of materials: primary and secondary sources. Understanding the difference between primary and secondary sources is really important for in-depth data analysis or for making a strong argument based on facts.

In this blog, we’ll explore the definitions, importance, and practical methods of identifying and utilizing both primary and secondary sources. We will also look at examples of primary and secondary sources and the differences between them!

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Primary sources

Let’s begin with an easy primary source definition:

What are primary sources?

Primary sources are the original, firsthand sources of information or data. These are the initial documents or artifacts produced by individuals who experienced or witnessed an event or collected data at the time it happened. The primary sources offer an unfiltered glimpse into the past or the subject of study. 

Examples of primary sources

  • Diaries and personal journals.
  • Correspondence and letters.
  • Manuscripts of literary pieces or scientific papers in their original form.
  • Visual creations like photographs, paintings, and artworks.
  • Contemporary newspapers and magazines (first-hand accounts) 
  • Speeches and verbal accounts captured by witnesses or participants.
  • Authentic paperwork such as governmental records, birth certificates, and treaties.
  • Artifacts and relics. 
  • Conversations held with eyewitnesses or participants of past events.
  • Audio or video recordings documenting live happenings or presentations.

Why are primary sources important?

Primary sources are key in research, offering a direct link to the past and allowing for a deep grasp of historical and cultural backgrounds. They play a crucial role in lending credibility to historical research and validating theories and narratives. Additionally, they empower researchers to form their own conclusions independently, making them especially valuable in fields like history, literature, and anthropology, where the accuracy of accounts is paramount.

How to find primary sources

Finding primary academic sources may seem tricky, but it’s a crucial skill for academic research. Libraries and archives are great places to start your search for primary source material. Nowadays, many institutions have online archives where you can find digitized versions of documents and artifacts.

You can also check out online databases and academic journals for original research articles , especially in fields like science and social sciences. Government websites often have official documents available for access too. And if you’re looking for historical documents, repositories like the National Archives or Library of Congress have extensive collections online.

Types of primary sources

  • Written records: These are things like letters, diaries, and official documents written by people who saw or were part of the events.
  • Visual material: This includes pictures, paintings, maps, and posters that show what things looked like in the past.
  • Audio recordings: These are the interviews, speeches, and sound recordings that let you hear what people say about the events.
  • Audiovisual material: These are films, documentaries, and TV shows that let you see and hear what happened.
  • Artifacts and objects: These are physical items like tools, clothes, and artworks that give us clues about how people lived in the past.
  • Archaeological finds: These are things like ancient artifacts and ruins that help us understand ancient civilizations.
  • Digital sources: These are websites, social media posts, and blogs that give us modern perspectives on events as they happen.

How to tell if a source is primary?

A source is primary if:

  • Created during the time period being studied.
  • Provide firsthand accounts, original data, or direct evidence.
  • Examples include diaries, letters, speeches, photographs, interviews, and artifacts.

Now, we will move on to learning about secondary sources in detail!

Secondary sources

Let’s begin with an easy secondary source definition:

What are secondary sources?

Secondary sources help analyze or critique primary sources. Their main purpose is to provide interpretation, commentary, or scholarly analysis. They gather information to give a summary of a subject, making conclusions or talking about patterns using original data.

Examples of secondary sources

  • Books for study
  • Articles summarizing research
  • Magazine stories
  • Life stories written by others
  • Information books
  • Newspaper pieces discussing events or research
  • Summaries of research in literature
  • Shows or films explaining history or science
  • Evaluations or discussions about books
  • Opinions or breakdowns from field experts.

Why are secondary sources important?

Secondary sources provide context for original data, giving us a better understanding of how experts view research findings or historical occurrences. They help researchers grasp the importance of primary documents and assist in shaping their secondary research questions or main arguments.

How to find secondary sources

Finding secondary sources is generally easier than finding primary materials. Most academic libraries offer access to a vast array of secondary literature through digital databases such as JSTOR, Google Scholar, or specific publisher databases. Secondary materials are also widely available in bookstores and libraries.

Types of secondary sources

  • Journal articles: Peer-reviewed articles published in journals present research findings, analyses, and interpretations of historical topics or phenomena.
  • Encyclopedias and dictionaries: Reference works such as encyclopedias and dictionaries compile summaries , explanations, and definitions of historical events, concepts, and figures. 
  • Historical reviews and surveys: Historical reviews and surveys give wide-ranging looks at particular historical times, topics, or places. They summarize existing scholarship, provide historical context, and identify key themes and trends.
  • Documentary films and television programs: Documentaries and television programs present visual interpretations of historical events. They offer narrative explanations, expert commentary, and archival footage to engage audiences and convey historical information.
  • Literature reviews: Literature reviews summarize and analyze existing research and scholarship on a particular topic or question. 
  • Textbooks: Educational textbooks provide structured overviews of historical periods, events, and themes designed for classroom use.
  • Historical websites and online resources: Websites, blogs , and online resources dedicated to historical topics offer a wide range of secondary source material. They include articles, essays , and multimedia content.

A source is secondary if:

  • Created after the period being studied.
  • Offer analysis, interpretation, or commentary on primary sources.
  • Examples include textbooks, articles, documentaries, biographies, and scholarly analyses.

Now that we’ve understood the primary and secondary sources, you must be thinking about when to use primary vs. secondary sources. To get that answer, you’ll have to learn the difference between primary and secondary sources!

What is the difference between primary and secondary sources?

The main difference between primary and secondary sources is that primary sources are firsthand accounts or original records of events, while secondary sources are interpretations or analyses of those events by others.

When to use primary vs. secondary sources?

When to use primary sources.

  • You want to examine firsthand accounts or original documents related to your topic.
  • You need to analyze raw data or evidence to form your own interpretations.
  • You’re conducting historical research and need to access documents created during the period you’re studying.
  • You want to explore multiple perspectives or experiences directly from the source.

When to use secondary sources

  • You’re looking for expert analysis, interpretation, or summaries of primary sources.
  • You need background information or context on a topic before delving into primary sources.
  • You want to compare different scholarly interpretations or viewpoints on a subject.
  • You’re conducting preliminary research and need an overview of existing research findings.

Each type of source brings something important to the table, helping you get a full picture of whatever you’re looking into. By getting good at using both primary and secondary sources, researchers can really level up their work with depth, context, and factual evidence.

Also, if you ever need an extra set of eyes to make sure your research is polished to perfection, don’t forget about PaperTrue’s expert editing and proofreading services ! Our team is here to help your work shine. Our team is here to help your work achieve its full potential.

Here are some more useful resources to help:

  • Research Methodology Guide: Writing Tips, Types, & Examples
  • Research Paper Outline: Templates & Examples
  • The Ultimate B2B Writing Guide: Types, Strategies, and Tips
  • 100 Best College Essay Topics & How to Pick the Perfect One!

Frequently Asked Questions

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Primary, Secondary, and Tertiary Sources of Information in the Sciences: Types of Information Sources

  • Types of Information Sources
  • Videos about Information Sources
  • Science Databases and Popular Science Sources

What are Primary, Secondary and Tertiary Sources of Information?

What are the different types of sources of information used in research .

Generally, there are three basic types of information sources in research including primary, secondary, and tertiary.  They are as follows:

Primary Sources:  Primary sources of information are first hand accounts of research or an event including original scholarly research results, raw data, testimony, speeches, historic objects or other evidence that provides unique and original information about a person or an event. These sources were created at the time which the observation or event occurred but can also be created later by an eyewitness.  Primary sources allow researchers direct access to original ideas, events, and data. Some examples of primary sources include published original scholarly research articles, original creative works, and eyewitness accounts of contemporaneous events.

Secondary Sources:    Secondary sources analyze, synthesize, evaluate, and interpret primary sources (or other secondary sources). Secondary sources are created after an event has occurred and are written by someone who did not experience or observe the event first hand.  Some examples of secondary sources include articles that interpret original scholarly research results and critiques of original creative works.  Secondary sources are not evidence, but rather comment on and discuss previous evidence.

Tertiary Sources:   Tertiary sources of information provide broad overviews or condensed narratives of topics. They analyze and summarize the information in primary and secondary sources in order to provide background on a idea, event, or topic. Tertiary resources often provide data in a convenient form and provide context of the topic for a frame of reference.  Some examples of tertiary sources include textbooks, dictionaries, encyclopedias, and almanacs.

Examples of Information Source Types

Original journal research articles

Bibliographies Abstracts

Conference proceedings

Essays or reviews Almanacs

Theses and dissertations

Monographs

Compilations

Technical reports

Literary criticisms or commentaries Dictionaries
Lab notebooks Magazine and newspaper articles Encyclopedias
Patents Biographies

Handbooks

Interviews Media documentaries Fact books
Government documents   Gazetteers
Archival materials Atlases
Diaries, letters, memoirs, autobiographies, correspondence, and manuscripts Chronologies
Speeches Reference books
Photographs and film (including news film footage) Directories
Artifacts Textbooks
Original creative works    

A Word about Wikipedia

  • Wikipedia: A Good Starting Point But NOT A Citable Source

example of secondary sources essay

What is Pop-sci?

What is pop-sci?

example of secondary sources essay

Elements of a Scholarly Research Article

Common elements of a scholarly article:

  • Authors and their credentials
  • Introduction including background information on subject, literature review, statement of research problem, and hypothesis
  • Limitations of research
  • Recommendations for further research

Quick Summary

example of secondary sources essay

  • Next: Videos about Information Sources >>
  • Last Updated: Dec 7, 2023 8:46 AM
  • URL: https://libraryguides.uwsp.edu/InformationSourcesInTheSciences

Frequently asked questions

What are some examples of secondary sources.

Common examples of secondary sources include academic books, journal articles , reviews, essays , and textbooks.

Anything that summarizes, evaluates or interprets primary sources can be a secondary source. If a source gives you an overview of background information or presents another researcher’s ideas on your topic, it is probably a secondary source.

Frequently asked questions: Referencing

Peer review is a process of evaluating submissions to an academic journal. Utilising rigorous criteria, a panel of reviewers in the same subject area decide whether to accept each submission for publication.

For this reason, academic journals are often considered among the most credible sources you can use in a research project – provided that the journal itself is trustworthy and well regarded.

To paraphrase effectively, don’t just take the original sentence and swap out some of the words for synonyms. Instead, try:

  • Reformulating the sentence (e.g., change active to passive , or start from a different point)
  • Combining information from multiple sentences into one
  • Leaving out information from the original that isn’t relevant to your point
  • Using synonyms where they don’t distort the meaning

The main point is to ensure you don’t just copy the structure of the original text, but instead reformulate the idea in your own words.

In academic writing , there are three main situations where quoting is the best choice:

  • To analyse the author’s language (e.g., in a literary analysis essay )
  • To give evidence from primary sources
  • To accurately present a precise definition or argument

Don’t overuse quotes; your own voice should be dominant. If you just want to provide information from a source, it’s usually better to paraphrase or summarise .

Articles in newspapers and magazines can be primary or secondary depending on the focus of your research.

In historical studies, old articles are used as primary sources that give direct evidence about the time period. In social and communication studies, articles are used as primary sources to analyse language and social relations (for example, by conducting content analysis or discourse analysis ).

If you are not analysing the article itself, but only using it for background information or facts about your topic, then the article is a secondary source.

A fictional movie is usually a primary source. A documentary can be either primary or secondary depending on the context.

If you are directly analysing some aspect of the movie itself – for example, the cinematography, narrative techniques, or social context – the movie is a primary source.

If you use the movie for background information or analysis about your topic – for example, to learn about a historical event or a scientific discovery – the movie is a secondary source.

Whether it’s primary or secondary, always properly cite the movie in the citation style you are using. Learn how to create an MLA movie citation or an APA movie citation .

To determine if a source is primary or secondary, ask yourself:

  • Was the source created by someone directly involved in the events you’re studying (primary), or by another researcher (secondary)?
  • Does the source provide original information (primary), or does it summarize information from other sources (secondary)?
  • Are you directly analyzing the source itself (primary), or only using it for background information (secondary)?

Some types of sources are nearly always primary: works of art and literature, raw statistical data, official documents and records, and personal communications (e.g. letters, interviews ). If you use one of these in your research, it is probably a primary source.

Primary sources are often considered the most credible in terms of providing evidence for your argument, as they give you direct evidence of what you are researching. However, it’s up to you to ensure the information they provide is reliable and accurate.

Always make sure to properly cite your sources to avoid plagiarism .

Common examples of primary sources include interview transcripts , photographs, novels, paintings, films, historical documents, and official statistics.

Anything you directly analyze or use as first-hand evidence can be a primary source, including qualitative or quantitative data that you collected yourself.

A credible source should pass the CRAAP test  and follow these guidelines:

  • The information should be up to date and current.
  • The author and publication should be a trusted authority on the subject you are researching.
  • The sources the author cited should be easy to find, clear, and unbiased.
  • For a web source, the URL and layout should signify that it is trustworthy.

The Scribbr Reference Generator is developed using the open-source Citation Style Language (CSL) project and Frank Bennett’s citeproc-js . It’s the same technology used by dozens of other popular citation tools, including Mendeley and Zotero.

You can find all the citation styles and locales used in the Scribbr Reference Generator in our publicly accessible repository on Github .

A block quote is a long quote formatted as a separate ‘block’ of text. Instead of using quotation marks , you place the quote on a new line, and indent the entire quote to mark it apart from your own words.

APA uses block quotes for quotes that are 40 words or longer.

If you’re quoting from a text that paraphrases or summarises other sources and cites them in parentheses , APA recommends retaining the citations as part of the quote:

  • Smith states that ‘the literature on this topic (Jones, 2015; Sill, 2019; Paulson, 2020) shows no clear consensus’ (Smith, 2019, p. 4).

Footnote or endnote numbers that appear within quoted text should be omitted.

If you want to cite an indirect source (one you’ve only seen quoted in another source), either locate the original source or use the phrase ‘as cited in’ in your citation.

In scientific subjects, the information itself is more important than how it was expressed, so quoting should generally be kept to a minimum. In the arts and humanities, however, well-chosen quotes are often essential to a good paper.

In social sciences, it varies. If your research is mainly quantitative , you won’t include many quotes, but if it’s more qualitative , you may need to quote from the data you collected .

As a general guideline, quotes should take up no more than 5–10% of your paper. If in doubt, check with your instructor or supervisor how much quoting is appropriate in your field.

Every time you quote a source , you must include a correctly formatted in-text citation . This looks slightly different depending on the citation style .

For example, a direct quote in APA is cited like this: ‘This is a quote’ (Streefkerk, 2020, p. 5).

Every in-text citation should also correspond to a full reference at the end of your paper.

A quote is an exact copy of someone else’s words, usually enclosed in quotation marks and credited to the original author or speaker.

To present information from other sources in academic writing , it’s best to paraphrase in most cases. This shows that you’ve understood the ideas you’re discussing and incorporates them into your text smoothly.

It’s appropriate to quote when:

  • Changing the phrasing would distort the meaning of the original text
  • You want to discuss the author’s language choices (e.g., in literary analysis )
  • You’re presenting a precise definition
  • You’re looking in depth at a specific claim

Plagiarism means using someone else’s words or ideas and passing them off as your own. Paraphrasing means putting someone else’s ideas into your own words.

So when does paraphrasing count as plagiarism?

  • Paraphrasing is plagiarism if you don’t properly credit the original author.
  • Paraphrasing is plagiarism if your text is too close to the original wording (even if you cite the source). If you directly copy a sentence or phrase, you should quote it instead.
  • Paraphrasing  is not plagiarism if you put the author’s ideas completely into your own words and properly reference the source .

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This means that your editor will understand your text well enough to give feedback on its clarity, logic and structure, but not on the accuracy or originality of its content.

Good academic writing should be understandable to a non-expert reader, and we believe that academic editing is a discipline in itself. The research, ideas and arguments are all yours – we’re here to make sure they shine!

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Chicago-Style Citation Quick Guide

Chicago-style source citations come in two varieties: (1) notes and bibliography and (2) author-date. If you already know which system to use, follow one of the links above to see sample citations for a variety of common sources. If you are unsure about which system to use, or how the two systems are related, read on.

Notes and Bibliography or Author-Date?

In the notes and bibliography system, sources are cited in numbered footnotes or endnotes. Each note corresponds to a raised (superscript) number in the text. Sources are also usually listed in a separate bibliography. The notes and bibliography system, Chicago’s oldest and most flexible, can accommodate a wide variety of sources, including unusual ones that don’t fit neatly into the author-date system. For this reason, it is preferred by many working in the humanities, including literature, history, and the arts.

In the author-date system, sources are briefly cited in the text, usually in parentheses, by author’s last name and year of publication. Each in-text citation matches up with an entry in a reference list, where full bibliographic information is provided. Because it credits researchers by name directly in the text while at the same time emphasizing the date of each source, the author-date system is preferred by many in the sciences and social sciences.

Aside from the use of numbered notes versus parenthetical references in the text, the two systems share the same style for authors’ names, titles of works, and other cited components. Follow the links at the top of this page to see examples of some of the more common source types cited in both systems.

Most authors choose the system used by others in their field or required by their publisher. Students should check with their instructor before deciding which system to use.

For a more comprehensive overview of Chicago’s two systems of source citation, see chapter 13 of The Chicago Manual of Style . For many more examples organized by type of source, consult chapter 14 .

American Psychological Association

Paraphrases

A paraphrase restates another’s idea (or your own previously published idea) in your own words. Paraphrasing allows you to summarize and synthesize information from one or more sources, focus on significant information, and compare and contrast relevant details.

Published authors paraphrase their sources most of the time, rather than directly quoting the sources; student authors should emulate this practice by paraphrasing more than directly quoting.

When you paraphrase, cite the original work using either the narrative or parenthetical citation format .

Although it is not required to provide a page or paragraph number in the citation, you may include one (in addition to the author and year) when it would help interested readers locate the relevant passage within a long or complex work (e.g., a book).

Webster-Stratton (2016) described a case example of a 4-year-old girl who showed an insecure attachment to her mother; in working with the family dyad, the therapist focused on increasing the mother’s empathy for her child (pp. 152–153).

These guidelines pertain to when you read a primary source and paraphrase it yourself. If you read a paraphrase of a primary source in a published work and want to cite that source, it is best to read and cite the primary source directly if possible; if not, use a secondary source citation .

Paraphrases are covered in the seventh edition APA Style manuals in the Publication Manual Sections 8.23 and 8.24 and the Concise Guide Sections 8.23 and 8.24

example of secondary sources essay

Related handout

  • Paraphrasing and Citation Activities (PDF, 357KB)

Long paraphrases

A paraphrase may continue for several sentences. In such cases, cite the work being paraphrased on first mention. Once the work has been cited, it is not necessary to repeat the citation as long as the context of the writing makes it clear that the same work continues to be paraphrased.

Velez et al. (2018) found that for women of color, sexism and racism in the workplace were associated with poor work and mental health outcomes, including job-related burnout, turnover intentions, and psychological distress. However, self-esteem, person–organization fit, and perceived organizational support mediated these effects. Additionally, stronger womanist attitudes—which acknowledge the unique challenges faced by women of color in a sexist and racist society—weakened the association of workplace discrimination with psychological distress. These findings underscore the importance of considering multiple forms of workplace discrimination in clinical practice and research with women of color, along with efforts to challenge and reduce such discrimination.

If the paraphrase continues into a new paragraph, reintroduce the citation. If the paraphrase incorporates multiple sources or switches among sources, repeat the citation so the source is clear. Read your sentences carefully to ensure you have cited sources appropriately.

Play therapists can experience many symptoms of impaired wellness, including emotional exhaustion or reduced ability to empathize with others (Elwood et al., 2011; Figley, 2002), disruption in personal relationships (Elwood et al., 2011; Robinson-Keilig, 2014), decreased satisfaction with work (Elwood et al., 2011), avoidance of particular situations (Figley, 2002; O’Halloran & Linton, 2000), and feelings or thoughts of helplessness (Elwood et al., 2011; Figley, 2002; O’Halloran & Linton, 2000).

  • Essay Editor

How to Write a Family Essay with Examples

How to Write a Family Essay with Examples

Writing about your family gives you a chance to think about your own experiences and what matters to you. It lets you look at how your family works together and share important stories from your life. This guide will help you write a good family essay that others will find interesting, whether you're doing it for school or just want to put your family's story on paper.

What is a Family Essay?

A family essay is a personal story that talks about your experiences with your family, your relationships, and what you value. It's a type of personal essay that teachers often ask students to write to see how well they can tell their family stories.

The main goal of a family essay is to share your own thoughts on family values, traditions, and how you're all connected. It's a chance to talk about the love in your family, share favorite memories, or describe the strong bonds between family members.

Useful Tips for Writing an Essay on Family Topics

To write a great family essay, you need to plan and write carefully. Here are some helpful tips:

  • Start with something interesting: Begin your essay with a fun fact or story about your family to get the reader's attention right away.
  • Make a clear main point: Write a short statement that sums up the main idea of your essay. This will guide your writing and help readers understand what you're focusing on.
  • Do your research: Find out more about your family's history, traditions, and cultural background. This will make your essay more real and detailed.
  • Organize your essay well: Arrange your thoughts into a clear introduction, middle sections, and conclusion. Each part should lead smoothly into the next.
  • Use clear descriptions: Make your family members and experiences come to life with detailed descriptions. This will help readers feel connected to your story.
  • Include your own thoughts: Share how you feel about family events or how your family works together. This makes your writing more real and personal.
  • Check and fix your work: After you finish writing, take time to read over and improve your essay. Look for grammar mistakes, make sentences better, and make sure your ideas are clear.

When thinking about how to write about your family, remember that being real is important. Your own point of view and experiences will make your essay special.

Interesting Ideas on Family Essay Related Topics

Picking a good topic is important when writing about your family. Here are some ideas to get you thinking:

  • How family traditions have changed over time
  • How technology affects how families talk to each other
  • Finding a balance between being yourself and what your family expects
  • How extended family members fit into today's families
  • What we learn from family arguments and how we solve them
  • How cultural background affects how families work together
  • What "family" means in different types of families
  • Why family support is important for personal growth
  • Dealing with differences between older and younger family members
  • How shared experiences make family bonds stronger

When you write about these topics, think about how they relate to your own life. For example, if you're writing about how technology affects family communication, you could share a story about how video calls help you stay in touch with relatives who live far away.

Remember, the best family essays mix personal stories with concepts about how families work and how they fit into society.

Family Essay Example: Why family support is important for personal growth

“ Family support is similar to having a group of people who both encourage you and protect you. It's more than just having people nearby; it's about having individuals who truly want you to succeed. When I was afraid of speaking in front of others, my sister's encouraging words helped me get through my first presentation. And truthfully, who else but family would listen to you practice guitar poorly without complaining? This kind of support without conditions gives us the bravery to try new things outside of what we're used to. It's also a way to learn from others - I've learned many things, from cooking advice to useful life tips, from different family members. Even when we don't agree, we grow; those serious discussions at dinner taught me how to defend my opinions and express my thoughts clearly. Yes, family can be frustrating at times, but they're also the ones who will stop what they're doing to help you move or listen to you when you're worried late at night. This combination of care, challenges, and support creates a special environment where we can be our true selves and slowly become the best versions of ourselves. ”

Closing Remarks

Writing a family essay helps you learn about yourself and think deeply. It's a chance to look closely at your relationships, celebrate what makes your family special, and understand more about how your family affects your life and the world around you.

Remember, the process of writing about your family can be just as rewarding as the finished essay. Take this opportunity to think about how your family has shaped your life and let your true voice come through in your writing.

Ready to bring your family story to life? Let Aithor's intuitive AI writing tools help you write a compelling and heartfelt family essay that captures the essence of your unique experiences.

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Have you ever thought about whether using your own work again could be seen as copying? It might seem strange, but self-plagiarism is a real issue in school and work writing. Let's look at what this means and learn how to avoid self-plagiarism so your work stays original and ethical. What is self-plagiarism? Self-plagiarism, also called auto-plagiarism or duplicate plagiarism, happens when a writer uses parts of their old work without saying where it came from. This isn't just about copying w ...

Can Plagiarism Be Detected on PDF?

Plagiarism has been a challenge for a long time in writing. It's easy to find information online, which might make some people use it without saying where it came from. But plagiarism isn't just taking someone else's words. Sometimes, we might do it by accident or even use our own old work without mentioning it. When people plagiarize, they can get into serious trouble. They might lose others' trust or even face legal problems. Luckily, we now have tools to detect plagiarism. But what about PDF ...

What is Citation and Why Should You Cite the Sources When Writing Content

When we write something for school, work, or just for fun, we often use ideas and facts from other places. This makes us ask: what is a citation in writing? Let's find out what this means and why it's really important when we write. What is Citation? Citation in research refers to the practice of telling your readers where you got your information, ideas, or exact words from. It's like showing them the path to the original information you used in your writing. When you cite something, you us ...

How to Write a Dialogue in an Essay: Useful Tips

A correct usage of dialogues in essays may seem quite difficult at first sight. Still there are special issues, for instance, narrative or descriptive papers, where this literary technique will be a good helper in depicting anyone's character. How to add dialogues to the work? How to format them correctly? Let's discuss all relevant matters to master putting conversation episodes into academic essays. Essay Dialogue: Definition & Purpose A dialogue is a literary technique for presenting a con ...

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  1. Secondary Sources: Definition and Examples

    The most common examples of secondary sources are books that collect information from various primary sources, including textbooks. Other common examples of secondary sources include biographies (but not autobiographies), art reviews, thesis papers and dissertations, reports that gather data from other studies, and nonpersonal essays.

  2. Using Secondary Sources in an English Essay

    Many undergraduate English essays do not require extensive use of secondary sources. Critical editions of literary works, the library stacks, online indexes and subject guides should yield plenty with which to work. Finding good secondary sources is, of course, only a first step. The second step is to use them properly.

  3. Secondary sources

    In scholarly work, a primary source reports original content; a secondary source refers to content first reported in another source. Cite secondary sources sparingly—for instance, when the original work is out of print, unavailable, or available only in a language that you do not understand. If possible, as a matter of good scholarly practice ...

  4. Secondary Sources

    Secondary sources are not evidence per se, but rather, provide an interpretation, analysis, or commentary derived from the content of primary source materials and/or other secondary sources. ... Examples of secondary sources you could review as part of your overall study include: * Bibliographies [also considered tertiary] * Biographical works ...

  5. Research Guides: Academic Writing: Using Secondary Sources

    Some examples of secondary sources: - a journal article on motherhood in the novel Frankenstein, which you then use to. discuss Shelley's beliefs on motherhood, and how they may have worked their way. into her novel. - a book on speech patterns, which you use to help show how Obama communicates. with both the interviewer and the audience.

  6. What are some examples of secondary sources?

    Common examples of secondary sources include academic books, journal articles, reviews, essays, and textbooks. Anything that summarizes, evaluates or interprets primary sources can be a secondary source. If a source gives you an overview of background information or presents another researcher's ideas on your topic, it is probably a secondary ...

  7. Types of Sources Explained

    Revised on May 31, 2023. Throughout the research process, you'll likely use various types of sources. The source types commonly used in academic writing include: Academic journals. Books. Websites. Newspapers. Encyclopedias. The type of source you look for will depend on the stage you are at in the writing process.

  8. MLA Style (9th Edition) Citation Guide: Secondary Sources

    Secondary sources should be used sparingly. Try to locate the original source of information cited in the a work if it is possible. ... Works Cited List Example: Hanrahan, Patricia, et al. "The Mothers' Project for Homeless Mothers with Mental Illnesses and Their Children: A Pilot Study." Psychiatric Rehabilitation Journal, vol. 28 no. 3 ...

  9. Primary vs. Secondary Sources

    A primary source gives you direct access to the subject of your research. Secondary sources provide second-hand information and commentary from other researchers. Examples include journal articles, reviews, and academic books. A secondary source describes, interprets, or synthesises primary sources. Primary sources are more credible as evidence ...

  10. Explore Secondary Sources

    Essay on a treaty or topic of history; Documentaries (though they often include photos or video portions that can be considered primary sources). Examples of Secondary Sources by Subject Discipline; Discipline Secondary Source; Art : Article critiquing the piece of artwork, e.g. an article comparing multiple of Kahlo's paintings ...

  11. How to Integrate Sources

    Integrating sources means incorporating another scholar's ideas or words into your work. It can be done by: Quoting. Paraphrasing. Summarizing. By integrating sources properly, you can ensure a consistent voice in your writing and ensure your text remains readable and coherent. You can use signal phrases to give credit to outside sources and ...

  12. Primary, Secondary & Tertiary Sources (+ Examples)

    Primary sources include the original raw evidence or data that you collect yourself in a study. For example, interview transcripts or statistical data. Secondary sources include distilled analyses and interpretations of primary data that someone else collected in their study. For example, journal articles and critical analysis pieces.

  13. Types of Sources and Where to Find Them: Secondary Sources

    Typically, secondary sources offer an interpretation of the past based on analysis and synthesis of primary sources. Examples of secondary sources include: surveys of broad historical periods, works that focus on specific events or topics, literary and cultural criticism, and works on theory and methodology. Secondary sources can be found in ...

  14. What is a Secondary Source?

    These sources are one or more steps removed from the event. Secondary sources may contain pictures, quotes or graphics of primary sources. Some types of secondary source include: Textbooks; journal articles; histories; criticisms; commentaries; encyclopedias . Examples of secondary sources include: A scholarly article about water and bathing in ...

  15. Primary vs. secondary sources: how to distinguish them

    Likewise, a secondary source can tell you about current trends in research and analysis, while providing you with a broad overview or summary of an extended period of time, or the works of an artist. Examples of primary and secondary sources. We have put together a list of examples of primary and secondary sources by fields of study.

  16. Library: Primary and Secondary Sources: Secondary Sources

    A secondary source is one that was created later by someone that did not experience firsthand or participate in the events in which the author is writing about. Secondary sources often summarize, interpret, analyze or comment on information found in primary sources. Common examples of secondary sources include: Books; Biographies; Essays ...

  17. Primary vs. Secondary Sources: Definition, Types & Examples

    Examples of primary sources. Diaries and personal journals. Correspondence and letters. Manuscripts of literary pieces or scientific papers in their original form. Visual creations like photographs, paintings, and artworks. Speeches and verbal accounts captured by witnesses or participants. Authentic paperwork such as governmental records ...

  18. Types of Information Sources

    Secondary sources are created after an event has occurred and are written by someone who did not experience or observe the event first hand. Some examples of secondary sources include articles that interpret original scholarly research results and critiques of original creative works. ... Essays or reviews: Almanacs: Theses and dissertations ...

  19. Secondary Source

    Examples of secondary sources are textbooks, academic research publications, documentaries, podcasts, essays, or non-fiction books. As with any source, it is important to fully vet secondary ...

  20. Primary vs Secondary Sources

    For example, if your research concentrates on a particular school of thought, person, or technique, then secondary materials that derive from these sources become primary sources. Reviews and essays example If you are writing about the artist Maria Lai, her original artworks are primary sources, while reviews of her work are secondary sources .

  21. What are some examples of secondary sources?

    Common examples of secondary sources include academic books, journal articles, reviews, essays, and textbooks. Anything that summarizes, evaluates or interprets primary sources can be a secondary source. If a source gives you an overview of background information or presents another researcher's ideas on your topic, it is probably a secondary ...

  22. Chicago-Style Citation Quick Guide

    Chicago-style source citations come in two varieties: (1) notes and bibliography and (2) author-date. If you already know which system to use, follow one of the links above to see sample citations for a variety of common sources. If you are unsure about which system to use, or how the two systems are related, read on.

  23. Writing about Literature

    TIP: In addition to being secondary sources of the type you might use in a research essay, many of the pieces excerpted in the "Critical Contexts" chapters draw on other secondary sources. Look over these pieces to see what kinds of sources professional literary critics use and how they use them. For example, Lawrence R. Rodgers's essay on "A Rose for Emily" (ch. 12) makes use of information ...

  24. Primary & Secondary Sources

    An article in a newspaper that reports on a scientific discovery or a book that analyzes a writer's work is a secondary source. (p.273) Secondary sources are works that analyze, interpret, and synthesize information from a combination of primary sources and other secondary sources. Secondary sources can sometimes also be primary sources.

  25. 4 Secondary Sources in Their Natural Habitats

    Secondary sources are produced by analyzing primary sources. They include news articles, scholarly articles, reviews of films or art exhibitions, documentary films, and other pieces that have some descriptive or analytical purpose. Some things may be primary sources in one context but secondary sources in another.

  26. Paraphrases

    Paraphrasing allows you to summarize and synthesize information from one or more sources, focus on significant information, and compare and contrast relevant details. ... (2016) described a case example of a 4-year-old girl who showed an insecure attachment to her mother; in working with the family dyad, the therapist focused on increasing the ...

  27. How to Write a Family Essay with Examples

    To write a great family essay, you need to plan and write carefully. Here are some helpful tips: Start with something interesting: Begin your essay with a fun fact or story about your family to get the reader's attention right away. Make a clear main point: Write a short statement that sums up the main idea of your essay.

  28. Investigation of Endwall Secondary Flows in a Low Aspect Ratio

    Abstract. A significant source of loss in turbines includes the generation of endwall secondary flows and subsequent mixing losses downstream of a blade row. In the case of reduced aspect ratios, these secondary flows assume a greater spanwise penetration attributing to increased loss generation. In the first part of this two part series, the endwall secondary flow of a low aspect ratio ...