Concordance rates among identical male twins for homosexuality are about _________ percent
a. 25
b. 50
c. 75
d. 90
b
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Blood pressure tends to be temporarily higher when people ____
a. are Type B personalities b. respond to stressors physiologically c. are depressed and guilt-ridden d. talk about their anger after cooling down
Grace is sitting in class when, without warning, her heart began to pound, her chest felt tight, and a feeling of dizziness came over her. She felt extremely fearful. Over the next few weeks, the same thing happened several times. Her doctor cannot find anything wrong with her heart. Grace is probably suffering from ____
a. ?generalized anxiety disorder b. ?obsessive-compulsive disorder c. ?panic disorder d. ?a phobia
In learning theory, when a behavioral response becomes stronger after an individual observes a model being reinforced for the same behavior, the process at work is referred to as:
a. vicarious reinforcement b. vicarious punishment c. second-order conditioning d. systematic sensitization
The percentage of left handers in a human society is correlated with its a. average level of education
b. age distribution. c. tendency to be multilingual. d. homicide rate.