In boys, the penis and scrotum begin to grow at an accelerated rate around age ___________, and reach adult size in __________ years.
A. 14; 2 or 3
B. 12; 3 or 4
C. 11; 2 or 3
D. 10; 4 to 5
Answer: B
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Major depression is to __________ as bipolar disorder is to __________.
A. cyclothymia; dysthymia B. depressive personality disorder; manic personality disorder C. dysthymia; cyclothymia D. hypomania; euthymia
Milgram's study on obedience to authority supports which of these conclusions?
a. Psychological research can uncover hidden aspects of personality. b. Many normal people will follow dangerous orders. c. People have a natural tendency toward violent behavior. d. Men and women behave differently when they are in a position of authority.
A frequency table or a mean would be most likely to appear in this section of a research report
a. results c. discussion b. statistics d. method
Young Kersh really enjoys getting "point stickers" from his teacher when he behaves well. He doesn't actually want the stickers, but values them because of what he knows he can buy with them from the school store. For Kersh, the stickers serve as what kind of reinforcer?
A. Secondary B. Primary C. Partial D. Interval