Critical appraisal of quantitative and qualitative research for nursing practice

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Research methods knowledge base

  • William M. K. TrochimJames P. Donnelly
  • Psychology

  • 2001

The Research Methods Knowledge Base is a comprehensive web-based textbook that addresses all of the topics in a typical introductory undergraduate or graduate course in social research methods and uses an informal, conversational style to engage both the newcomer and the more experienced student of research.

The history and meaning of the journal impact factor.

  • E. Garfield
  • Medicine

    JAMA

  • 2006

The journal impact factor was created to help select additional source journals and is based on the number of citations in the current year to items published in the previous 2 years, which allows for the inclusion of many small but influential journals.

What is Qualitative Research?

Qualitative research, in contrast to quantitative research, analyzes words and text instead of numbers and figures.  Qualitative research is exploratory and non-experimental.  It seeks to explore meaning, experiences and phenomena among study participants.  Qualitative data is generated from participants' stories, open-ended responses, and viewpoints collected from focus groups, interviews, observations or detailed records (Schmidt & Brown, 2019, pp. 221-224).  

Schmidt N. A. & Brown J. M. (2019). Evidence-based practice for nurses: Appraisal and application of research (4th ed.). Jones & Bartlett Learning. 

PRO TIPS: Qualitative Research Checklist

Each JBI Checklist provides tips and guidance on what to look for to answer each question.  These tips begin on page 4. 

Below are some additional Frequently Asked Questions about the Qualitative Research Checklist that have been asked students in previous semesters. 

Frequently Asked Question Response
Nearly every question asks about "congruity." What exactly does this mean in terms of qualitative research, and what should I be looking for?  In a qualitative study, it is important that all elements of the study - the objectives, methods, theoretical/conceptual framework, qualitative data gathering - all fit together in agreement and that they make sense. Please see page 4 of the JBI Qualitative Checklist for explanatory notes for each question, which elaborate on this concept further. 
For Question 6, where can I find a statement in my article about the researcher's cultural or theoretical orientation?  Sometimes, authors of a qualitative study will provide details about their own cultural or theoretical background. Look for this information in the beginning of the study or in the methods section. 

Chapter 12: Critical Appraisal of Quantitative and Qualitative Research for NursingPracticeGrove: Understanding Nursing Research, 6th EditionMULTIPLE CHOICE1.The goal of a critical appraisal should be to:a.determine where faults exist in the study design.b.evaluate whether a proposed study is feasible.c.identify the meaning and credibility of the study.d.review the credentials and expertise of the researcher.ANS: CFeedbackAIdentifying faults in the study design is part of a critical appraisal but not the endgoal.BReviewers conduct feasibility analyses prior to approval of a study.CAn intellectual critical appraisal involves careful examination of all aspects of astudy to judge the strengths, weaknesses, meaning, credibility, and significance ofa study.DEvaluating the researcher’s credentials is part of a critical appraisal but not theend goal.

PTS:1DIF:Cognitive level: Analyzing (Analysis)REF:pp. 362-3632.When critically appraising a research study, the reviewer will expect to find:

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PTS:1DIF:Cognitive level: Understanding (Comprehension)REF:pp. 362-3633.How do practicing nurses participate in critical appraisal of research?

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What is critical appraisal of quantitative research?

Critical appraisal describes the process of analyzing a study in a rigorous and methodical way. Often, this process involves working through a series of questions to assess the “quality” of a study by examining its strengths and limitations.

How is qualitative and quantitative research used in nursing?

In general, quantitative research seeks to understand the causal or correlational relationship between variables through testing hypotheses, whereas qualitative research seeks to understand a phenomenon within a real-world context through the use of interviews and observation.

What is critical appraisal in nursing research?

Critical appraisal is the process of systematically examining research evidence to judge its trustworthiness, its value and relevance in a particular context. It allows clinicians to use research evidence reliably and efficiently.

What is the best critical appraisal tool for quantitative research?

Critical Appraisal Tools.
Randomised Controlled Trial (RCT).
Cohort..
Diagnostic..
Case Control Studies..
Cross Sectional Studies..
Economic Studies..
Other Quantitative..
Qualitative..