Weber's Law, the formulation of how much change in a stimulus is required for a subject to detect it, rests on the measurement of the ____.?

In group therapy, the therapist is always very directive about how the focus of the group will run.

a. true b. false

Which of the following is an example of a psychological diathesis for an eating disorder?

a. Low serotonin b. Genetic history of an eating disorder c. Low self-esteem d. All of these are psychological diatheses