The Fixed-Effects and Random-Effects Frameworks for Meta-Analysis Differ with Respect

Multiple Choice

The fixed-effects and random-effects frameworks for meta-analysis differ with respect to

A) assumptions made about the sources of variability between studies.
B) the type of studies-experiments or surveys-that are analyzed.
C) the appropriateness of conducting tests of statistical significance.
D) the presence or absence of random processes such as random sampling and random assignment in the studies that are being analyzed.