Veronica's mother learns that whenever she turns down the volume of her television, Veronica finishes her homework quickly. This is an example of
A. extinction.
B. positive reinforcement.
C. successive approximation.
D. negative reinforcement.
E. punishment.
Answer: D
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In the 1960s, behaviorism was replaced with
a. social cognitive theory. c. the dynamic system approach. b. psychoanalysis. d. operant conditioning.
A friend who has been diagnosed with schizophrenia has recently isolated himself from others and avoids most social contact. In addition, he rarely shows any emotion
These changes in his behaviors are considered part of the ________ category of symptoms associated with schizophrenia. a. acute b. active c. positive d. negative
The regulation of sleep, mood, and appetite involves brain systems using the neurochemical
A. serotonin. B. dopamine. C. norepinephrine. D. epinephrine.
Pregnant women who experience morning sickness during the first trimester may have increased sensitivity in this brain region that detects toxins in the blooD.
A. hippocampus B. medulla C. area postrema D. reticular formation