What do the results from the study of twins who served in Vietnam suggest in regard to the biological factors in the cause of PTSD?
a. Genetic factors account for little in PTSD.
b. Level of exposure did not predict PTSD symptoms.
c. Genetic factors were most significant in accounting for arousal/anxiety symptoms.
d. Individual risk of exposure to trauma was not affected by genetic influences.
Answer: c.
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The Netherlands show "Sputen en Slikken," which discusses issues of sex and drugs, aired on a publicly funded television station
a. True b. False Indicate whether the statement is true or false
A police department is interested in detecting prejudice in new recruits by examining their non-verbal behavior toward ethnic suspects. The department wants to know whether this behavior is actually linked to attitudes. Which measure do you suggest they use?
a. semantic-differential scales b. Likert scales c. a personalized Race IAT d. an open-ended measure of attitude components
Dr. Cornelius is conducting a longitudinal study with a group of women who are currently in their late thirties. He began the study when the women were ages 6 to 9 and is interested in the changes that occur in personality over a lifetime
Dr. Cornelius is a(n) __________ psychologist. a) counseling b) experimental c) developmental d) clinical
Pavlov placed food in the mouths of the dogs, and they began to salivate. Pavlov's student noticed that after a few days the dogs began to salivate at the sound of the student's footsteps. The salivation to the sound of the footsteps was a
a. primary reinforcer. b. positive reinforcer. c. conditioned response. d. secondary reinforcer. e. negative reinforcer.