Which of the following is TRUE of the causes of anxiety disorders?
A. Certain chemical deficiencies in the brain appear to produce some kinds of anxiety disorder.
B. If one member of a pair of identical twins has panic disorder, there is 80% chance that the other will have it.
C. An underactive autonomic nervous system may be at the root of panic disorder.
D. Environmental factors do not play a role in causing anxiety disorders.
Answer: A
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Which of these sayings does the "mere exposure" effect in social psychology contradict?
a. Look before you leap. b. Absence makes the heart grow fonder. c. A stitch in time saves nine. d. He who hesitates is lost.
Herrnstein and Murray's 1994 book, The Bell Curve, implies that
A) IQ variations are largely determined by differences in environment. B) ethnic and social class differences in IQ are unfounded. C) heredity plays a sizable role in the black–white IQ gap. D) IQ shows significant fluctuations over the lifespan.
If g (t) = 7 e ?2t?3 write out and simplify
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If a person has an IQ score that falls in the range below 20 or 25, this is known as
a) intellectual discontinuity syndrome. b) moderate intellectual disability. c) severe intellectual disability. d) profound intellectual disability.