Clark Hull's explanation of reinforcement assumes that reinforcers _____
a. stimulate the brain
b. reduce a drive
c. activate neurotransmitters
d. leave a neural trace
B
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Which of the following appears to have interfered with humanistic psychology's becoming part of the mainstream of psychological thought?
a. ?Humanism's ideas were untestable. b. ?Because it was a reflection of the rebellion of the 1960s and 1970s, the traditional, more conservative psychologists rejected it. c. ?Its adherents were in private practice, not training graduate students, and were less likely to engage in systematic research and publication. d. ?Its therapies had such a high casualty rate. e. ?It was ahead of its time, that is, more a reflection of the Zeitgeist of the 1980s than of the 1960s.
In a long-term study of heroin users, about ______ of the subjects were dead by age 46, with drug overdose being the most common cause of death.
A. 25% B. 50% C. 75% D. 90%
The _____ theory attempts to explain the internal and external (social) factors that influence the acquisition and regulation of behavior
a. social learning b. acquisition-regulation c. valence d. conscious-unconscious
Evolution improves the fitness of the population, which is evolutionarily defined as ____.
A. the number of copies of one's genes that endure in later generations B. survival of the individual C. ability to adapt to a variety of environments D. overall health and well-being