with All Solved Solutions (2025)
Updated.
definition of EBP - Answer Integration of best research evidence with clinical expertise
Cochrane Collaboration - Answer Established in Dr. Archie Cochrane's name to assist
healthcare professionals in making clinical decisions based on the best external evidence.
Step 0 - Answer Cultivate a spirit of inquiry within the environment
Key Elements of an EBP culture and environment - Answer -spirit of inquiry
-philosophy, mission, clinical promotion system
-knowledgeable mentors
-infrastructure that provides support
-consistent recognition of individuals and groups who implement EBP
Step 1 - Answer Asking the Burning Question in PICOT format
PICOT Format - Answer Patient population
Intervention or issue of interest
Comparison event
Outcome
Time Frame
Step 2 - Answer Search and Collect the Most Relevant Best Evidence
Hierarchy of Evidence - Answer Level I: Systematic Reviews or meta-analyses of RCTs
Level II: Single RCTs
Level III: Controlled trials without randomization
Level IV: Case-control and cohort studies
, True of false: A single randomized control trial constitutes the highest level of evidence and is
the most reliable guide to nursing practice - Answer False
Biological databases - Answer -CINAHL
-Medline
-PubMed
-PsycInfo
-EMBASE
Where to find systematic reviews - Answer Cochrane Library
Where to find guidelines - Answer National Guideline Clearinghouse
Step 3 - Answer Critically appraise the evidence
3 areas of evaluation for critically appraising evidence - Answer 1. Are the results valid?
(validity)
2. What are the results? (reliability)
3. Will the results help me in caring for my patients? (applicability)
d value - Answer mean difference between groups (ratio of difference between means, to the
standard deviation)
small affect: 0.20
medium affect: 0.40
large affect: 0.60
p value - Answer if p is < 0.50 or 0.01, effect (relationship) is considered significant
meta-analysis - Answer overall summary statistic that represents the effect of the intervention
across multiple studies
Forest plot of odds ratio - Answer -horizontal line: results of one study