When two autistic boys were ignored after instances of self-destructive behavior, their tendency to injure themselves disappeared. The operant principle employed was
a. negative reinforcement.
b. stimulus control.
c. nonreinforcement.
d. reciprocal inhibition.
C
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Approximately how many hours per week does the average middle-aged person in the United States spend socializing?
A. 6 B. 8 C. 10 D. 15
The most common ethnographic approach is ____
a. structured interviewing b. participant observation c. case study d. direct observation
During the ____ phase, excitement peaks and remains somewhat constant.?
a. ?excitement b. ?plateau c. ?orgasm d. ?resolution
The "wisdom of the body" in reference to hunger refers to ______.
A. how the body regulates the amount of food consumed B. the ability to maintain a particular weight under normal conditions C. the ability to choose a relatively balanced diet D. the ability to choose foods that taste good, even when they are not nutritious