A type of research that involves observing what is happening without being

The person who is mostly sad and guilt-ridden but has also had one or more mild manic episodes (hypomania) would be diagnosed with

a. bipolar I disorder. b. bipolar II disorder. c. conversion disorder. d. persistent depressive disorder.

Ned found that if he ate cookies while thinking about his recurrent nightmare, the frequency and severity of those nightmares decreased. Ned's behavior illustrates the principle of _____

A) ?extinction B) ?reciprocal inhibition C) ?covert conditioning D) ?systematic desensitization