Chandra and colleagues surveyed participants three times over the course of a 3-year period to examine the relationship between exposure to sexual content on television and teen pregnancy. This is an example of a(n) ________ study.
A. internet-based
B. panel
C. focus group
D. archival
Answer: B
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People who take Ritalin (methylphenidate) sometimes report lethargy and mild depression a few hours later. Why? a. Their axons accumulated more sodium than they could excrete
b. Their muscles accumulated excess levels of lactic acid. c. Their neurons released dopamine faster than they could make more of it. d. Prolonged high electrical activity in the brain distorted the connections.
A behaviorist would be willing to accept which of these explanations? a. The rat turned toward the light because it likes to explore its environment
b. The rat turned toward the light because it enjoys being able to see what is around it. c. The rat turned toward the light because of previous reinforcements for approaching light. d. The rat turned toward the light because it was afraid of the dark.
What was the probable cause for the increase in popularity of marijuana in the 1920s?
a. the end of WWI b. the Depression c. Prohibition d. the repeal of marijuana laws
Children whose parents use direct instruction and parental "coaching" tend to be more socially skilled and to have better relationships with their peers
Indicate whether the statement is true or false