Steve experienced what his psychologist termed a manic episode last year Though he recovered and continues to take medication, he has been feeling terribly depressed lately. He cannot seem to eat or sleep and has been entertaining thoughts of suicide. He cannot seem to "snap out if it" no matter what he tries. Steve seems to fit the criteria for _____

The population variance is

a. an estimate of the sample variance. b. usually an unknown that we try to estimate. c. calculated exactly like the sample variance. d. a biased estimate.

Aaron's home was destroyed in a tornado a week ago. Right after the tornado, Aaron had difficulty sleeping and had frequent nightmares about tornadoes when he did go to sleep. He also experienced difficulty concentrating at work and became visibly nervous whenever he saw the wind blowing harder than a breeze. Three weeks after the tornado, Aaron appears to be settling down and is sleeping better

and able to function at work like before the tornado. Aaron suffered from a(n) __________ disorder. a. post-traumatic stress b. generalized anxiety c. somatoform pain d. acute stress

In the context of the endocrine system, which of the following sits atop the kidneys and releases hormones in response to stress and emotions?

A. The alveolar gland B. The parathyroid gland C. The adrenal glands D. The salivary glands

Most research studies indicate that the greatest change in personality traits occurs in

A. late adulthood. B. midlife. C. late midlife. D. early adulthood.