The Results of a Large Scale Study to Compare the Efficacy

Multiple Choice

The results of a large scale study to compare the efficacy of pharmacological and psychosocial treatments for ADHD found which of the following?

A) Only the groups whose treatment included methylphenidate showed improvement over the 2 years of the study.
B) Most of the improvement occurred in the latter half of the study.
C) The group that included clinical behavior therapy showed the most improvement at the 2-year follow-up.
D) The addition of psychosocial therapy did not improve the effectiveness of methylphenidate alone.