Having found that the time children spend watching TV correlates with their weight, Dr. Sereno wanted to test the hypothesis that this relationship is due to activity level (less active children watch more TV and also are heavier). What approach could she use to examine this question?
a. coefficient of determination
b. partial correlation
c. linear regression
d. a scatterplot
e. Pearson correlation
Answer: b. partial correlation
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Compared to Kevin Warner, Mary Childress was much more acutely aware of her disorder; this tells us that
a. Mary has a disorder and Kevin doesn't. b. Kevin has a disorder and Mary doesn't. c. Mary probably experiences more distress than Kevin. d. Mary is probably more impaired than Kevin.
Which of the following is NOT an example of a direct effect health-related risk associated with recreational drugs?
a. Marijuana can increase the risk of respiratory disease. b. Sedatives and alcohol can increase the risk of automobile accidents. c. Cocaine can increase the risk of heart attacks. d. Alcohol can increase the risk of liver damage.
As compared to non minorities, minority adolescents are likely to have ________ health problems
A) more B) about the same number of C) less urgent D) less
Across cultures, the kind of stereotype found most consistently in advertising is that
a. people of color are portrayed as relying on physical attributes to succeed, while whites are portrayed as relying on their intellectual abilities for success. b. men are portrayed as lacking the ability to communicate emotions. c. women are portrayed as passive and dependent. d. older people are portrayed as physically weak and needy.