Validity and reliability in quantitative studies
Validity and reliability in quantitative studies Roberta Heale,1 Alison Twycross2 Evidence-based practice includes, in part, implementa-tion of the findings of well-conducted quality research studies. So being able to critique quantitative research is an important skill for nurses. Consideration must be
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ebn.bmj.comresponsibility to critique research to improve their prac-tice, care and patient safety.1 This article provides a step by step guide on how to critically appraise a quantitative paper. Title, keywords and the authors The title of a paper should be clear and give a good idea of the subject area. The title should not normally exceed
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ebn.bmj.comto data synthesis for quantitative studies may include a meta-analysis (statistical analysis of data from multiple studies of similar designs that have addressed the same question), or findings can be reported descriptively.6 Methods applicable for synthesising qualitative studies include meta-ethnography (themes and concepts from
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