A.J.'s behavior is characterized by markedly impaired motor activity that slows to a stupor but then switches abruptly into an agitated phase. He sometimes "freezes" in bizarre, uncomfortable-looking postures that he maintains for hours, even as his limbs become stiff and swollen. He acts mute during these periods and displays waxy flexibility. He is best described as displaying __________ behaviors.

A. paranoid
B. disorganized
C. catatonic
D. undifferentiated


Answer: C

Psychology

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After a grueling day of classes, Edith returns to her apartment and plops down in a comfortable recliner; she closes her eyes and immediately begins to relax. Edith’s brain is likely to show an increase in____ wave activity

a. ?alpha b. ?beta c. ?delta d. ?theta

Psychology

The increase in the frequency of gun violence in high schools has led to efforts to understand why it happens and to prevent it. Although the talk shows are filled with experts, one of them seems to make sense to you

A former member of the military points out that the military uses video games to train soldiers. The point this expert is making is most likely based on which theory of learning? a) modeling b) insight learning c) classical conditioning d) negative reinforcement

Psychology

A manuscript on human nature is discovered and scientists confirm that it is the work of an ancient scholar. In this manuscript, human nature is most likely explored through:

a. empirical evidence. b. experimentation. c. trained introspection. d. insights inferred from anecdotes.

Psychology

Ask the Experts Video 7: Craig Parks on the Stanford Prison StudyClick on the above link to access the Interactive eBook. Once you've signed in, scroll to page 210 and watch the video. When you've finished watching the video, come back to the test and answer the following question:Why is it important to replicate the findings of previous research?

What will be an ideal response?

Psychology