Which is an example of a positive correlation?
A. As the temperature drops, the amount of hot soup consumption increases.
B. People often get a glass of water before taking a nap.
C. During the summer, furnaces are less likely to be used.
D. As the number of cigarettes smoked increases, so does the likelihood of developing lung cancer.
Answer: D
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One reason it is difficult to study the development of intelligence in adulthood is that
a. intelligence declines with age. b. adults do not participate in studies of intelligence. c. it is difficult to distinguish historical factors from developmental factors. d. most changes are due to genetics.
Treatments emphasizing anger control and moral reasoning are
A. ineffective with both criminal and psychopathic populations. B. modestly effective with psychopathic youth. C. modestly effective with criminals but not with psychopaths. D. significantly effective with both criminals and psychopaths of any age.
A new measure of intelligence (e.g., speed of processing spatial distances) would be a valid measure of intelligence if scores on the new measure were
A. unrelated to scores on other accepted measures of intelligence. B. more varied across people than scores on other accepted measures of intelligence. C. more precise than scores on other accepted measures of intelligence. D. related to scores on other accepted measures of intelligence.
Which of the following correlates with an infant's ability to habituate to a new stimulus very quickly?
a. difficulties on other cognitive tasks b. difficulties with decoding social cues c. performance on intelligence tests d. performance on social-emotional scales