This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
All are true about meta-analysis except:- 
Select and explain. 
A. Easy to conduct, B. Analysis of analyses, C. Funnel plot and forest plot are used, D. Apple oranges effect seen in it
A: Easy to conduct
Answer: A: Easy to conduct 
Explanation: 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.