Peers can sometimes help to reduce the negative effects of parenting styles on academic achievement. For example, if Hye-won's parents are highly authoritarian in their child rearing, friends of Hye-won who
a. are rebellious but nurturant can help Hye-won to achieve academically.
b. are motivated to do well in school can help Hye-won to achieve academically.
c. provide positive social reinforcement can help Hye-won to achieve academically.
d. display less commitment to success in school can help Hye-won to achieve academically.
Question 2
When two or more groups are present in an experimental design, and in order to help avoid any systematic variation other than that caused by the independent variable on the behavior of interest, the researcher
a. randomly assigns participants to groups.
b. provides a different independent variable for each group.
c. measures a different dependent variable for each group.
d. assigns the same subjects to all groups.
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