All are true about meta-analysis except:-
Metanalysis:- Analysis of Analyses. Analysis of multiple studies together. Difficult to Conduct, but it does give you the best estimate for a given study design-Strength of Association. Funnel plot, forest plot are used. Disadvantages:- Publication bias. "Apple Orange Effect" seen in it.
Epidemiology
Easy to conduct
Analysis of analyses
Funnel plot and forest plot are used
Apple oranges effect seen in it
Easy to conduct