quantitative research methods pubmed

Evaluating medical education research requires specific orientation to issues related to format and content. Our goal is to review the quantitative aspects of research in medical education so that clinicians may understand these articles with respect to framing the study, recognizing methodologic issues, and utilizing instruments for evaluating ...

This article describes the basic tenets of quantitative research. The concepts of dependent and independent variables are addressed and the concept of measurement and its associated issues, such as error, reliability and validity, are explored. Experiments and surveys - the principal research designs in quantitative research - are described ...

Quantitative Research Methods in Medical Education ... There has been an explosion of research in the field of medical education. A search of PubMed demonstrates that more than 40,000 articles have been indexed under the medical subject heading "Medical Education" since 2010, which is more than the total number of articles indexed under ...

INTRODUCTION. Scientific research is usually initiated by posing evidenced-based research questions which are then explicitly restated as hypotheses.1,2 The hypotheses provide directions to guide the study, solutions, explanations, and expected results.3,4 Both research questions and hypotheses are essentially formulated based on conventional theories and real-world processes, which allow the ...

Hence, mixed methods methodology does not provide a conceptual unification of the two approaches. Lacking a common methodological background, qualitative and quantitative research methodologies have developed rather distinct standards with regard to the aims and scope of empirical science (Freeman et al., 2007). These different standards affect ...

Abstract. This fourth article of a series of six focuses on some of the key aspects of quantitative research methods. Starting with a review of what quantitative research is, the distinguishing characteristics of experimental and non-experimental research strategies, the different approaches for collecting data including self-completion ...

2. SAMPLE SIZE AND SELECTION. Quantitative research usually aims to provide precise, unbiased estimates of parameters of interest for the entire population which requires a large, randomly selected sample. Brett et al 4 reported a positive impact of PPI on recruitment in studies, but the representativeness of the sample is as important in quantitative research as sample size.

The complexity of public health interventions create challenges in evaluating their effectiveness. There have been huge advancements in quantitative evidence synthesis methods development (including meta-analysis) for dealing with heterogeneity of intervention effects, inappropriate 'lumping' of interventions, adjusting for different populations and outcomes and the inclusion of various ...

Quantitative research methods are concerned with the planning, design, and implementation of strategies to collect and analyze data. Descartes, the seventeenth-century philosopher, suggested that how the results are achieved is often more important than the results themselves, as the journey taken along the research path is a journey of discovery. . High-quality quantitative research is ...

Simply, quantitative research methods are systematic ways of gathering and analyzing numerical data with the general purpose of understanding reality. Quantitative methods are mostly used to generalize results to a wider population, make predictions, infer causality, and prove hypotheses. ... You can also search for this author in PubMed Google ...

Abstract. Implementation research necessitates a shift from clinical trial methods in both the conduct of the study and in the way that it is evaluated given the focus on the impact of implementation strategies. That is, the methods or techniques to support the adoption and delivery of a clinical or preventive intervention, program, or policy.

Introduction. Recognition has grown that while quantitative methods remain vital, they are usually insufficient to address complex health systems related research questions. 1 Quantitative methods rely on an ability to anticipate what must be measured in advance. Introducing change into a complex health system gives rise to emergent reactions, which cannot be fully predicted in advance.

There is considerable literature showing the complexity, connectivity and blurring of 'qualitative' and 'quantitative' methods in research. Yet these concepts are often represented in a binary way as independent dichotomous categories. This is evident in many key textbooks which are used in research methods courses to guide students and newer researchers in their research training. This paper ...

MeSH terms were applied in PubMed, ... Original English-language quantitative or mixed-methods research or methods papers that explicitly applied intersectionality theoretical frameworks were ...

Revised on June 22, 2023. Quantitative research is the process of collecting and analyzing numerical data. It can be used to find patterns and averages, make predictions, test causal relationships, and generalize results to wider populations. Quantitative research is the opposite of qualitative research, which involves collecting and analyzing ...

Some nurses feel that they lack the necessary skills to read a research paper and to then decide if they should implement the findings into their practice. This is particularly the case when considering the results of quantitative research, which often contains the results of statistical testing. However, nurses have a professional responsibility to critique research to improve their practice ...

3. Quantitative Methods for Evaluating Implementation Outcomes. While summative evaluation is distinguishable from formative evaluation (see Elwy et al. this issue), proper understanding of the implementation strategy requires using both methods, perhaps at different stages of implementation research (The Health Foundation, 2015).Formative evaluation is a rigorous assessment process designed ...

Abstract. Quantitative methods have been widely used because of the fact that things that can be measured or counted gain scientific credibility over the unmeasurable. But the extent of biological abnormality, severity, consequences and the impact of illness cannot be satisfactorily captured and answered by the quantitative research alone.

Quantitative research makes use of the scientific method (Chap. 1) through the application of a defined number of specific steps in order to establish new knowledge.These steps involve not only the collection of numerical data but also more importantly the analysis of such data, for the purpose of explaining, predicting, and/or controlling variables relating to the problem being studied.

Mixed Methods Research. In some cases, a combination of both qualitative and quantitative methods, or what is called a mixed-methods research is performed. Mixed methods approaches that combine qualitative and quantitative research can allow for hypothesis generation and hypothesis testing to help try to answer questions in a more well-rounded way.

It is common to undertake qualitative research alongside randomised controlled trials (RCTs) when evaluating complex interventions. Researchers tend to analyse these datasets one by one and then consider their findings separately within the discussion section of the final report, rarely integrating quantitative and qualitative data or findings, and missing opportunities to combine data in ...

For scientists used to dealing with quantitative measures and statistical significance, the concept of research ethics can feel a bit vague or murky, at best an afterthought to their work.

Abstract. This paper aims to provide an overview of the use and assessment of qualitative research methods in the health sciences. Qualitative research can be defined as the study of the nature of phenomena and is especially appropriate for answering questions of why something is (not) observed, assessing complex multi-component interventions ...

Qualitative research gathers participants' experiences, perceptions, and behavior. It answers the hows and whys instead of how many or how much. It could be structured as a standalone study, purely relying on qualitative data, or part of mixed-methods research that combines qualitative and quantitative data. This review introduces the readers ...