The steady growth of myelinated axons (white matter) and the pruning and thinning of gray matter leads to
a. more efficient processing of information in the brain.
b. a mismatch in development between white and grey matter that creates confusion in adolescent thinking.
c. slower but more accurate processing of information.
d. specialization of functions in particular brain areas without communication between brain areas.
Answer: a. more efficient processing of information in the brain.
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Though easily confused, negative reinforcement and punishment are quite different. With negative reinforcement, behavior __________ when the aversive stimulus is ____________, and with punishment, behavior __________ when the aversive stimulus is ________
a. increases; removed; increases; introduced b. increases; removed; decreases; introduced c. decreases; removed; increases; introduced d. decreases; introduced; increases; removed
Answer the following statement(s) true (T) or false (F)
The problem of indiscriminate switching between alternatives can be solved by imposing a changeover delay (COD).
Which of the following theorists believed that during
childhood four critical situations, which include feeding, toilet and cleanliness training, sex training, and learning to express anger or aggression, are capable of leaving a lasting imprint on personality? a. Dollard and Miller b. Rogers and Maslow c. Allport and Cattell d. Rotter and Murray
Drug A and Drug B are appetite suppressants that share the same ED50. At their most effective dose, Drug A will cause rats to reduce food consumption by 50% whereas Drug B will cause rats to reduce food consumption by 30%. We can conclude, therefore, that
a. Drug A is more potent than Drug B. b. Drug A is more effective than Drug B. c. Drug A is less potent than Drug B. d. Drug A is less effective than Drug B. e. these drugs are not directly comparable because they reduce food intake by differing amounts.