Which condition is the most common mental disorder of the elderly, covering several diseases, each of which includes serious memory loss accompanied by declines in other mental functioning?
A. glaucoma
B. dementia
C. Alzheimer's disease
D. schizoaffective disorder
Answer: B
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In a classic study on that involved college students shooting pool at a student union, it was found that when being watched by others, the less confident, average pool players
a. decreased their accuracy. b. improved their accuracy. c. showed no change in their pool shooting ability. d. became extreme showmen and took risky shots, many of which did not pay off.
Beginning in childhood, one finds that males are superior to females in:
a. abstract reasoning. c. visual-spatial skills. b. mathematics. d. verbal abilities.
An unruly child has become conditioned to fear the sight of the principal's door. Over the past month, however, the child had no contacts with the principal. Now the child will probably ________
a. begin to fear all other doors in the school building b. have an even greater fear of the principal's door c. gradually stop fearing the sight of the principal's door d. maintain former level of fear of the principal's door
For a normal population with ยต = 40 and ? = 10 which of the following samples is least likely to be obtained?
A) ?M = 42 for a sample of n = 4 B) ?M = 44 for a sample of n = 4 C) ?M = 42 for a sample of n = 100 D) ?M = 44 for a sample of n = 100