The sign of the Pearson r value indicates the effect size of the relationship.
Answer the following statement true (T) or false (F)
False
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In male identical twins, if one of the twins is gay, about what chance does the other twin have of also being gay?
A. 22% B. 52% C. 78% D. 100%
Among men, which of the following is least associated with high levels of testosterone?
a. Unstable marriage b. Disinterest in staying at home and caring for children c. High sex drive d. High incidence of depression
In the United States, the average life expectancy to birth is currently about _____ years
a. 72 b. 79 c. 84 d. 90
For some strange reason, a music teacher gives students a vocabulary test before deciding what the right musical instrument is for each student. The vocabulary test gives consistent results, but the students are rarely happy with the instrument they play. The problem is that the vocabulary test ____
a. is valid but not reliable b. has excessive reliability c. is neither reliable nor valid d. is reliable but not valid