Levels of Evidence Pyramid - EBPWITH COMPLETE
SOLUTIONS GRADED A+.
- systematic review or meta-analysis of randomized controlled trials (RCTs)
Level I - most rigorous & most proven
- multiple studies and summarized results
- randomized controlled trials
Level 2
- measures done in a controlled environment; commonly in a clinical setting
- quasi-experimental studies
- evidence obtained from well-designed controlled trials without randomization
Level 3
- more self
-selected; not as random bc groups are chosen by participants themselves
- non-experimental studies
Level 4 - evidence obtained from well-designed case-control, cohort or cross-sectional
studies
- metasynthesis
Level 5 - evidence obtained from systematic reviews of descriptive and qualitative studies
- qualitative research summarized
- qualitative studies
Level 6 - evidence from a single
-descriptive or qualitative study
opinion of experts and authorities, expert committee reports or organizations, not
Level 7
based on research
1/1
SOLUTIONS GRADED A+.
- systematic review or meta-analysis of randomized controlled trials (RCTs)
Level I - most rigorous & most proven
- multiple studies and summarized results
- randomized controlled trials
Level 2
- measures done in a controlled environment; commonly in a clinical setting
- quasi-experimental studies
- evidence obtained from well-designed controlled trials without randomization
Level 3
- more self
-selected; not as random bc groups are chosen by participants themselves
- non-experimental studies
Level 4 - evidence obtained from well-designed case-control, cohort or cross-sectional
studies
- metasynthesis
Level 5 - evidence obtained from systematic reviews of descriptive and qualitative studies
- qualitative research summarized
- qualitative studies
Level 6 - evidence from a single
-descriptive or qualitative study
opinion of experts and authorities, expert committee reports or organizations, not
Level 7
based on research
1/1
