Homework Lance
NRS-433V Topic 4 DQ 2
Describe the levels of evidence and provide an example of the type of practice change that could result from each.
Level 1:
Evidence from a systematic review or meta-analysis of all relevant RCTs (randomized controlled trial) or evidence-based clinical practice guidelines based on systematic reviews of RCTs or three or more RCTs of good quality that have similar results.
Level 2
Evidence obtained from at least one well-designed RCT (e.g. large multi-site RCT).
Level 3
Evidence obtained from well-designed controlled trials without randomization (i.e. quasi-experimental).
Level 4
Evidence from well-designed case-control or cohort studies.
Level 5
Evidence from systematic reviews of descriptive and qualitative studies (meta-synthesis).
Level 6
Evidence from a single descriptive or qualitative study.
Level 7
Evidence from the opinion of authorities and/or reports of expert committees.
“Evidence-Based Practices and Treatments in Mental Health – EBP Toolkit.” Evidence-Based Practices and Treatments in Mental Health – EBP Toolkit, www.ebptoolkit.com/.
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