Compared to use in Europe, Canada, and Australia, psychostimulant use in the United States is
a. about equal.
b. about half the rate.
c. 3 to 10 times higher.
d. almost 100 times higher.
Answer: c.
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Maintenance rehearsal is
a. synonymous with chunking. b. consciously repeating information over and over again. c. connecting to-be-remembered information with already-stored information. d. synonymous with whole rehearsal. e. picturing an object, pattern, or image in your mind.
The rate of obsessive–compulsive disorder in children is ____ the rate of obsessive–compulsive disorder in adults
a. less than b. more than c. equal to d. more variable
Which of the following statements about childhood injuries is true?
A) Injury fatalities decrease from middle childhood into adolescence. B) Injury rates for girls are considerably higher than those for boys. C) Motor vehicle accidents are the leading cause of injury fatalities in middle childhood. D) Sports-related injuries are the second leading cause of injury in middle childhood.
Hybrid designs combine the advantages of
A) correlational and longitudinal research methods. B) cross-sectional and correlational research methods. C) correlational and experimental research methods. D) cross-sectional and longitudinal research methods.