Which of the Following Was a Key Finding on the Efficacy

Which of the following was a key finding on the efficacy of child psychotherapies?

A) The dodo verdict holds-all treatments seem to be equally effective overall.
B) Behavioral therapies tend to yield greater effect sizes.
C) Treatment tended to work better for children than adolescents because children were less set in their ways and less resistant to treatment.
D) Therapy was more effective for externalizing (e.g., disruptive behavior problems) than for internalizing (e.g., anxiety and depression) disorders.