After Collecting All the Research on Gender Differences in Aggressive

Multiple Choice

After collecting all the research on gender differences in aggressive behavior, Estephan finds that 125 of them showed that males are more aggressive, 25 showed that females are more aggressive, and 50 showed no gender differences in aggression. Based on these findings, he concludes that males are more aggressive than females. To reach his conclusions, he used what is called ________.

A) the box score method
B) the hunt-and-pick method
C) the relevance technique
D) a meta-analysis