A sense of powerlessness underlies the theory of learned helplessness and its contribution to the symptoms of depression. This theory was researched and explained by __________

In Sternberg's theory, "street smarts" or "common sense" are included as part of

A) analytic intelligence. B) creative intelligence. C) contextual intelligence. D) automatic intelligence.

Sleep is partially regulated by melatonin from the:

a. Thalamus b. Hypothalamus c. Limbic system d. Pineal gland