Compared to anorexia nervosa, bulimia ____
a. is much easier to diagnose on the basis of appearance
b. is much more prevalent
c. has little to do with self-control
d. is unrelated to body size concern or weight
B
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Which of the following is an accurate statement about the opponent-process explanation of drug addiction?
a. An increase in positive feelings will be followed by an increase in negative feelings. b. An increase in negative feelings will be followed by an increase in positive feelings. c. Both of these d. Neither of these
Chuck works on the assembly line at Widgets, Inc. Because he is a union employee, he is paid $10 for every fifteen widgets he makes. His coworker, Sally, is a nonunion worker and is paid only when the company makes money, which averages out to be two times per month. Chuck is reinforced on a __________ schedule, while Sally is reinforced on a __________ schedule.
A. fixed-interval; variable-interval B. variable-interval; fixed-ratio C. fixed-interval; variable-ratio D. fixed-ratio; variable-interval
The words '"groovy," "awesome," "phat," "nerd," and "poser" are all used in your text as examples of
A) metalinguistic awareness. B) adolescent phonemic awareness. C) syntactic bootstrapping. D) the adolescent register.
Which statement about emotional stress during pregnancy is true?
A. During stressful events, the uterus receives more blood than usual, but the heart and brain receive less. B. The body uses epinephrine to return functions to normal after a stressful event. C. Occasional, mild to moderate stress has no adverse impact. D. Occasional, mild to moderate stress has the same impact on the body that severe stress has.