An event that increases the probability that a response will be repeated is called _____.
A. a positive operation
B. reinforcement
C. an operational directive
D. a discriminative stimulus
Ans: B. reinforcement
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Generally, overall self-esteem is high during middle childhood but begins to decline around the age of __________ due to __________.
A. 10; the onset of puberty B. 16; increased sexual activity C. 12; transition to middle school D. 15; the complexity of the self-concept
A person with illness anxiety disorder has a preoccupation with __________.
A. making other people sick B. having an anxiety attack C. having or acquiring a serious illness D. small objects that appear at night on the horizon
Which of the following represents the extremes in the dimension described as the extent to which the experimenter intervenes in the study?
a. field research and laboratory b. true experiment and naturalistic observation c. laboratory and true experiment d. correlation and naturalistic observation
Symptoms that occur following a concussion
A. are only seen when subdural bleeding has occurred. B. are always seen. C. occur in some but not all cases of open head injury. D. occur in some but not all cases of concussion.