Nate is watching the cumulative recorder that is connected to a box where a rat is pressing a lever to receive food reinforcement. The slope of the line is becoming flatter and flatter over time. Based on this output, Nate can conclude that the rat's response rate
a. is increasing over time.
b. will soon show spontaneous recovery.
c. is decreasing over time.
d. is caused by inadequate stimulus generalization.
C
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Although Sally is well behaved and polite at home, she can be really mean to the other children at school. Psychologists who adhere to the trait approach to personality would say Sally's behavior
A. can be identified along a continuum of personality characteristics. B. is the result of unconscious mental activity. C. results from conditioning and expectations. D. is a reaction to changing feelings of self-acceptance.
The proportion of body fat that tends to be maintained by changes in hunger or eating is called the
a. set point. b. obesity limit. c. critical weight. d. weight standard.
Unlike Piaget, most researchers now believe that ________.
A. the cognitive attainments of infancy develop in a neat, stepwise fashion B. young babies construct all mental representations out of sensorimotor activity. C. even newborns process information much like adults D. infants have some built-in cognitive equipment for making sense of experience
What is the purpose of Michael Rutter's Family Adversity Index?
a. identifies six family predictors of behavior problems among children b. counts the number of arguments within a family during a specified period of time c. records the number of family members who have ever experienced any mental disorder in the past d. indicates the likelihood that family members are genetically predisposed to develop mental disorders