In a well-known study conducted in the 1950s, social psychologist Leon Festinger and colleagues analyzed the friendship patterns among graduate students living in one of the dormitories at MIT. Festinger et al.'s results were most consistent with the ____

The BEST form of treatment for substance use disorders is:

A. an integration of multiple therapeutic approaches. B. cognitive-behavioral. C. biological. D. sociocultural.

The Head Start Program demonstrated that, for students in the program, there was:

a. Long-term benefit in math scores b. A greater degree of career accomplishment c. An initial increase in IQ scores d. All of the above