The Pyramid structure of Hierarchy levels of Evidence is a ranking system that represents a classification of evidence based on its quality.
2. What type of research study is considered to provide the highest or strongest level of supporting evidence to use to suggest a change in clinical practice?
Systematic reviews provide the strongest level of supporting evidence by utilizing a process called meta-analysis. Meta-analysis is quantitative research that comes from multiples EBP studies on the same medical topic and is used to draw the same conclusion.
3. The Cochrane Database contains thousands of systematic reviews relating to healthcare interventions.