Recent studies have shown that most American children and adolescents are
A. not exercising enough.
B. exercising only when their parents make them do so.
C. exercising too much.
D. exercising just the right amount.
Answer: A
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Short bursts of brain activity in Stage 2 sleep are called
a. delta waves. b. recurrent beta waves. c. sleep spindles. d. cortical waves.
Most young children put their hands over their ears when they hear the loud boom of firecrackers at a Fourth of July festival, but at first pay just scant attention to the person lighting the firecrackers
However, after just a few firecrackers have been exploded, some of the children put their hands over their ears as soon as they see the person approach the firecracker with a match! What is the unconditioned stimulus? a. the person lighting the firecrackers b. the loud booming sound made by the firecrackers c. the children putting their hands over their ears when they see the person about to light the firecrackers d. the children putting their hands over their ears when the firecrackers explode
The _____ uses an understanding of physical conditions to think about psychological conditions
a. biopsychosocial model b. dimensional view c. categorical view d. medical model
Which of the following factors has affected the shift from two-parent to one-parent families?
A. a larger proportion of births to unmarried women B. a lack of acceptance of adopted children among same-sex couples C. a larger proportion of early marriage among couples D. a decrease in teenage pregnancies