The reason you feel alert from ingesting caffeine is because
A. caffeine stimulates a substance that functions by increasing arousal.
B. caffeine stimulates a substance that functions by decreasing arousal.
C. caffeine inhibits a substance that functions by increasing arousal.
D. caffeine inhibits a substance that functions by decreasing arousal.
Answer: D
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What does the phrase "A not B error" mean?
a. Children will not search for hidden objects unless given an incentive. b. Children will randomly search for hidden objects, but will quickly become frustrated and give up. c. A child may reach for a hidden object where it has always been, yet still reach there even when they see the toy hidden somewhere else. d. A child will search for a hidden toy but will quickly become distracted by other, more interesting objects.
When researchers are interested in predicting some future behavior based on a person's score on some other variable, they should
A. demonstrate that the correlation coefficient of the known and the unknown variables is closer to -1.00. B. construct a scatterplot in addition to looking at the magnitude of the correlation coefficient. C. construct several criterion variables. D. demonstrate that there is a reasonably high correlation between the criterion and predictor variables.
Azuna supports the view that some characteristics are influenced by both heredity and environment. Noam, her friend, disagrees with her. Which of the following views would Noam support?
A. The socioeconomic status of a society seldom influences children's propensity for obesity. B. A person with the genetic predisposition for obesity can stay fit by following a strict diet and an active lifestyle. C. A genetic predisposition for overeating, supersized portions, and inactivity increases the risk of obesity. D. Obesity is a multifactorial condition influenced by genetic factors along with considerable contributions from environmental influences.
The mechanism Piaget proposed to explain how children shift from one stage of thought to the next is known as
A. vocalization. B. causation. C. equilibration. D. conceptualization.