Case Study about Critical Appraisal
Abstract: The use of critical appraisal guidelines to assess the validity of research findings has become an established technique in those disciplines, such as healthcare and medicine, that encourage the use of evidence-based practice. Critical appraisal guidelines provide a rigorous set of criteria, often in the form of a checklist, against which a piece of research can be assessed. Although well established criteria exist for many forms of quantitative research, such as clinical trials and cohort studies, qualitative research is less well served.
Introduction: The use of critical appraisal guidelines for assessing the relevance and rigour of research findings has become an established technique in those disciplines which encourage the use of evidence-based practice. Partly because the principles of evidence based practice began in the medical field and partly because the nature of the research methods lend themselves to careful measurement, critical appraisal guidelines for surveys, cohort studies, clinical trials and case-control studies are well established. As the application of evidence-based thinking has been considered in areas such as nursing, education, social work, information systems and human resource management, the crucial need for a similar measures for qualitative research methods has been recognised.
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