Which of the Following Statements About Interpreting the Results of a Literature

Multiple Choice

Which of the following statements about interpreting the results of a literature review is/are TRUE?

A) A main effect for a moderator variable in a literature review is equivalent to an interaction in primary research.
B) Different reviews of studies testing the same hypothesis can reach different conclusions because of decisions made by the researchers who conducted the reviews.
C) Any effect found for a moderator variable is a correlational relationship, not a causal relationship.
D) All of the above statements are true.