Comparative Treatment Studies Are Experiments in Which the

Multiple Choice

Comparative treatment studies are experiments in which the

A) impact of a treatment is compared with a control condition in which no services are provided (typically a wait-list control group) .
B) impact of at least two treatments are compared, and a no-treatment group may or may not be included.
C) methodology of the study is well designed.
D) course of treatment is completed within six-months of beginning treatment.