Bill has been a heavy alcohol user for a number of years. When he decides to quit "cold turkey," he experiences violent flu-like symptoms of nausea, vomiting, diarrhea, chills, sweating, and cramps. Bill is experiencing
a. drug tolerance.
b. drug psychosis.
c. a psychological dependence.
d. withdrawal symptoms.
D
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The heritability of IQ increases with age because
a. people get wiser as they get older. b. people stop responding to their environments to the same extent as when they were young. c. people are allowed more freedom when young and usually experience many different environmental influences that impact their intelligence. d. people have more opportunity as they age to choose their own environments, and these choices may reflect the heritable component of their intelligence. e. people's intellect becomes limited by health problems as they age.
Which type of trauma is associated with the HIGHEST risk of developing PTSD?
a. exposure to combat b. motor vehicle accident c. assaultive trauma d. hearing about the accidental death of a loved one
What makes defining abnormality difficult?
A) Criteria for abnormality have yet to be developed. B) There is not a clear dividing line that serves to distinguish different behavior from that which is abnormal. C) There are so many types of abnormal behavior that they can't be accurately described. D) Most of us are abnormal much of the time.
The F statistic calculated for a one-factor within-subjects analysis of variance is defined
as the ratio of the mean square for to the mean square for _____ . a. A; A × S b. A × S; S c. A; S d. A ×S; A