A behavioral psychologist tries to train a bird to climb a tree to get a reward of a piece of fruit. At first, the bird learns how to climb the tree with its legs and beak
After a while, it starts flapping its wings and hopping around before it starts to climb. Eventually, the bird flies up to the piece of fruit, even though that prevents it from getting the fruit. According to the Brelands' analysis of biological constraints, the bird is demonstrating __________.
a) response generalization
b) instinctive drift
c) the Law of Effect
d) stimulus discrimination
ANS: B, The Brelands discovered that animals revert to instinctual behavior in gathering food, a phenomenon they called instinctive drift.
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According to the textbook, having race as a central part of one's identity has the following impact(s) on adolescent development:
A. it may make adolescents more sensitive to discrimination. B. it may help adolescents cope better with discrimination. C. A and B are both true. D. Neither A nor B is true.
The two main divisions of the nervous system are the _____ and _____
A) brain; spinal cord B) autonomic; somatic nervous systems C) peripheral nervous system; central nervous system D) glands; muscles