When the Brelands tried to teach pigs and raccoons to drop a coin into a box, the animals:
A) learned the trick only if explicit reinforcement was provided for doing so.
B) learned the trick if food was used as a reinforcer but did not learn the trick if secondary reinforcement was used.
C) had difficulty learning the trick because it competed with their biological tendencies.
D) failed to learn the trick, indicating that some animals have evolved to be resistant to operant conditioning.
C) had difficulty learning the trick because it competed with their biological tendencies.
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The field of psychology that focuses on the integration of science and theory to prevent and treat psychological disorders is psychology.
In Yates and colleagues' study of weight lifters, those who took anabolic steroids were
a. more aggressive and hostile. b. more successful. c. more competitive. d. more likely to lose competitions. e. more emotionally sensitive.