Grayson seems to be preoccupied with the possibility that he might miss an important message from someone in his family. He checks for new messages on his voicemail every 15 minutes. Grayson's constant checking for messages could be considered an example of
a. an obsession.
b. a hallucination.
c. a delusion.
d. a compulsion.
D
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A normal distribution has a mean of ยต = 70 with ? = 12 . If one score is randomly selected from this distribution, what is the probability that the score will be greater than X = 58?
a. 0.8413 c. 0.3413 b. 0.1577 d. 0.6826
Oscar is suspected of having brain damage. He is given more than ten psychological tests to assess memory, abstract concept formation, auditory perception, and attention. The whole testing process takes more than six hours. It is likely that Oscar was given the ____
a. WAIS-IV b. Halstead-Reitan Neuropsychological Test Battery c. positron emission tomography (PET) test d. MMPI-2
Hunger, thirst, sleep, attention, sex, breathing, and many other vital functions are controlled by parts of the
a. subcortex. b. corpus callosum. c. cerebral cortex. d. prefrontal cortex.
Pushing a particular button on the TV remote control is reinforced by gaining the consequence you desire, such as changing channels or muting an obnoxious commercial. This illustrates __________ conditioning
a. classical b. vicarious c. operant d. respondent