When do infants first laugh?
a. at about a month of age
b. about a month after the first smile
c. about a month after getting their first tooth
d. about a month after their first birthday
Answer: B
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What is one criticism of the DSM classification of personality disorders as discrete categories rather than dimensional traits?
a. Category names are arbitrary. b. A categorical approach does not explain etiology. c. The labels have created more problems than they solved. d. There are a lot of people with serious personality problems who do not fit the official DSM-5 subtypes.
Young Thomas watches his father hold the door open while his mother walks in. Subsequently, Thomas tries to hold the door for his mother as well. What theory best explains this behavior?
a) Androgyny b) sex constancy c) gender schema d) social learning