A study of the effects of fluoride in the water supply on level of calcium deficiency in women found a Spearman's rho of +0.30. Our PRE for this relationship is
a. 30%
b. 90%
c. 3%
d. 9%
ANSWER: d
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Areas where older Americans congregate and that gradually become informal centers for senior citizens are known as
A. retirement communities. B. naturally occurring retirement communities. C. nursing homes. D. assisted living communities.
In order to increase the chances of pregnancy when using in vitro fertilization, doctors sometimes
(a) use their own sperm to fertilize the woman's eggs. (b) request that the woman stay off her feet. (c) insert multiple embryos. (d) administer fertility pills to the woman.
Which of the following is one of the five functional requisites that functionalists believe a society must meet to survive?
a. removing a sense of purpose b. yielding the needs of the group in favor of self-interest c. promotion creative chaos d. socializing youth
Which of the following is true about cohabitation?
a. Women with less education are more likely to cohabitate than women with higher levels of education b. Lower income is associated with higher cohabitation rates c. High religiosity is associated with lower cohabitation rates d. All of the above are true