What are endophenotypes?
A) abnormally shaped cells in the brain
B) neurotransmitters that are slightly different in chemical composition than normal
C) specific chromosomes that are thought to be important in the genetic transmission of schizophrenia
D) measurable traits that are thought to be linked to specific genes that might be important in
schizophrenia
D
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Some of the impetus in the development of new tests comes from
a. disagreements between professionals about the best way to measure characteristics. b. so few tests making a profit that test makers need multiple tests to survive. c. agreements between professionals about the best way to measure characteristics. d. the fact that so much grant money is available for people to develop new tests.
The study of altruism concerns the prosocial behaviors a person carries out without consideration for his or her own safety or interests
a. true b. false
According to the article Yoking Smokingabout operant conditioning, behavioral psychologists often reward
successive approximations of a behavior to teach a rat to press a bar (e.g. , first rewards the rat for turning toward the bar, then only rewards the rat for standing near the bar, then only rewards the rat for leaning its nose on the bar, etc). What is this process called? (a) modeling (b) shaping (c) token economy (d) noncontingent reinforcer
The force of contractions during childbirth causes the infant to produce high levels of stress hormones that
A) can lead to anoxia, or inadequate oxygen supply, during delivery. B) lead to irritability and digestive disturbances in newborns. C) cause infants' heart rate and activity level to become dangerously high during childbirth. D) help infants withstand oxygen deprivation during contractions by sending a rich supply of blood to the brain and heart.