One of the most common problems in a meta-analysis is ___, which means the studies included are ___.
A) heterogeneity; too similar
B) heterogeneity; too different
C) homogeneity; too similar
D) homogeneity; too different

Question

Quizplus · Accepted Answer

Heterogeneity is a common problem in a meta-analysis, which means the studies included are too different. This can lead to difficulties in combining the results and drawing meaningful conclusions. Homogeneity, on the other hand, refers to studies that are too similar, which can lead to a lack of diversity and potential bias in the findings. Therefore, the correct answer is B.

One of the Most Common Problems in a Meta-Analysis Is