Which of the Following Statements About Interpreting the Results of a Meta-Analysis

Which of the following statements about interpreting the results of a meta-analysis is/are FALSE?

A) The results of a meta-analysis represent the average effect found across a number of studies, so it is not necessary to think about the effects of publication biases.
B) A main effect for a moderator variable in a meta-analysis is equivalent to an interaction in primary research.
C) Any effect found for a moderator variable is a correlational relationship, not a causal relationship.
D) Because meta-analysis is a quantitative technique, the judgment calls made during the analysis are not relevant to interpreting the results.