The most severe psychological disorders, which often require hospitalization, are the

Studies of various psychotherapies indicate that

a. all therapists are about equally successful. b. therapists who use a single approach toward therapy tend to be the most successful. c. client-centered approaches are more successful than behavioral approaches. d. all techniques are about equally successful in the hands of a skilled therapist.

A method that assesses the degree of relationship between two variables is the _____ method

a. survey b. observational c. case study d. correlational