According to classical test theory, errors of measurement are
a. always overestimates of true score.
b. always underestimates of true score.
c. random.
d. constant.
c
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Which of these problems is common in Korsakoff's syndrome and in other people with damage to the prefrontal cortex?
a. Using guesses to fill in the gaps in memory b. Remembering only the sad events in life and not the pleasant ones c. Excessive doubts about whether a decision was a good one d. Habitually repeating someone's question aloud before answering it
Which of the following is an eating disorder that is characterized by fear of gaining weight and refusal to maintain a minimally normal body weight?
a. Menarche b. Depression c. Anorexia d. Egocentrism
The Skeptics suggested that by ____, one could avoid the frustration of being wrong.?
a. ?arriving at one's beliefs very carefully b. ?believing only in ideas held by the majority of people c. ?following one's own natural impulses d. ?not believing in anything
While engaging in combat in the Gulf War, Sammy found that his hands went numb and he sometimes couldn't move them. The doctors could not find a biological cause for Sammy's condition. Sammy likely has a(n) __________
a) conversion disorder. b) obsessive-compulsive disorder. c) case of hypochondriasis. d) generalized anxiety disorder.