Looking at the Same Figure (Remember That Studies 1, 2

Multiple Choice

Looking at the same figure (remember that Studies 1, 2 and 5 are cohort studies, 3 and 4 are case‐control studies, and they are arranged in order of year of publication,
Earliest first) , Which of the following statements is/are reasonable? The order in
Which the studies are presented:

A) Is fine as it is
B) Is the best possible because it takes the time dimension into account
C) Allows us to see clearly the substantial heterogeneity of the results
D) Would be improved if the studies were grouped by type