Bigler and Liben Compared the Effectiveness of Rule Training and Classification

Bigler and Liben compared the effectiveness of rule training and classification training in reducing children's gender stereotypes for occupation.Which of the following best summarizes their findings?

A) Classification training was more effective than rule training.
B) The two interventions were equally effective.
C) Rule training was more effective than classification training.
D) Although both types of intervention produced a change, that change was not statistically significant.