A newborn has been categorized as a very-low-birthweight infant. Which situation best describes the infant's weight?
A. 90 percent (or less) of average infant weight
B. 2,500 grams (around 5½ pounds)
C. 3,400 grams (about 7½ pounds)
D. 1,250 grams (around 2¼ pounds)
Answer: D
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An example of negative reinforcement is:
a. putting coins in a broken soft drink machine. b. giving bonuses to workers even when they fail to excel. c. nagging a spouse to stop smoking. d. spanking a child to make him or her stop using expletives.
A key aspect of an experiment that is missing in other research designs is
A) description of the phenomena of interest. B) explanation of why a relationship exists. C) prediction of the effects of differences in variable on another. D) random assignment.
Under most circumstances, when you are intentionally trying to remember an item of information, __________ is an easier task than __________.
A. recognition; recall B. recall; recognition C. priming; the savings method D. the savings method; priming
Which is NOT a reason why rational models of inference may be inappropriate for evaluating social cognition?
a. There are no good rational models of thought available to us. b. The conditions necessary for rational processing seldom occur in real life. c. Some of the errors produced by faulty inference don't matter much. d. Efficiency may be more important for most people than accuracy.