A Major Advantage of Meta-Analysis as an Approach to Synthesizing

A major advantage of meta-analysis as an approach to synthesizing research studies on a particular topic is that it

A) is equally applicable to quantitative and qualitative research studies.
B) focuses primarily on the statistical significance of the effects found in each study.
C) focuses primarily on the magnitude of the effects found in each study.
D) excludes studies that have serious methodological limitations.