Essential skills for evidence-based practice: Evidence access tools
Jeanne T. Grace, RN, PhD
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In an efficient search for evidence to address clinical questions, clinicians consult trustworthy collections of critically evaluated evidence when those resources exist. The “5S” hierarchy organizes these resources in terms of their usability in clinical practice and suggests which sources to consult first. When relevant evidence cannot be found in one of the more developed resources, the clinician’s ability to conduct an effective and efficient search of the health care literature to locate evidence is a crucial skill for evidence-based practice. Two features of literature database search engines are particularly helpful: subject headings and clinical queries. Subject headings are specific terms assigned by an indexer to describe a topic or concept, in addition to whatever terms the author actually used. This allows the searcher to retrieve all the literature on that topic with a single search term. Clinical queries act as filters, retaining only evidence described as coming from the strongest designs to answer questions of a specific domain. These “expert searches” are available for therapy, diagnosis, prognosis and harm (etiology) question domains in several databases and may be offered at different rates of selectivity. The searcher who uses these features in evidence-rich databases is likely to be successful in locating relevant evidence when it exists.
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|Publisher||Mahidol University, Thailand|
|Citation||Grace, J. T. (2009) Essential Skills for Evidence-based Practice: Evidence Access Tools. Journal of Nursing Science, 27(3), 8-12.|
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Essential skills for evidence-based practice: Strength of evidence Grace, Jeanne T. (Mahidol University, Thailand, 2009-05)The strength of the evidence to answer any clinical question depends on the quantity and quality of the evidence and the consistency of findings across studies. The nature of the clinical question determines what study ...
Essential skills for evidence-based practice: Appraising evidence for therapy questions Grace, Jeanne T. (Mahidol University, Thailand, 2012-01)Evidence to support the effectiveness of therapies commonly compares the outcomes between a group of individuals who received the therapy and a group of individuals who did not. Nurses must be able to determine how well ...
Essential skills for evidence-based practice appraising clinical practice guidelines Grace, Jeanne T. (Mahidol University, Thailand, 2013-07)Evidence-based clinical practice guidelines allow generalist nurses to benefit from the scholarship and clinical expertise of others. Guidelines summarize the available evidence about a clinical problem and make recommendations ...
Essential skills for evidence-based practice: Appraising qualitative research Grace, Jeanne T. (Mahidol University, Thailand, 2014-04)Research from qualitative traditions is often ignored as a resource for evidence-based practice. Findings from qualitative research, however, are of particular benefit to generalist nurses. Human responses to health concerns ...
Essential skills for evidence-based practice: Statistics for therapy questions Grace, Jeanne T. (Mahidol University, Thailand, 2010-01)Evidence to support the effectiveness of therapies commonly compares the outcomes between a group of individuals who received the therapy and a group of individuals who did not. Nurses must be able to interpret the statistics ...