All are True regarding Meta-analysis except:
Meta- analysis is analysis of multiple studies together. A meta- analysis uses a statistical approach to combine the results from multiple studies in an effo to increase power (over individual studies), improve estimates of the size of the effect and / or to resolve unceainty when repos disagree. The validity does depend on quality of systemic review (rest all 3 options are true).
The validity does not depend on quality of systemic review
Its purpose is not to identify risk factors
Purpose is to increase statistical power by increasing the sample size
Statistical technique for combing the findings from several independent studies on special topic
RCT, Trials