Each of the following is recommended by sleep experts for coping with insomnia EXCEPT ______
a. getting out of bed and doing something for an hour or so until you feel sleepy again
b. establishing a regular exercise program within a few hours of bedtime
c. having a regular bedtime routine that you follow each night before retiring
d. setting aside regular times during the day to mull over your worries
B
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In general, if the variance of the difference scores increases, what will happen to the value of the t statistic?
a. It will increase in magnitude (move farther toward the tail of the distribution). b. It will decrease in magnitude (move toward 0 at the center of the distribution). c. It will stay the same; the t statistic is not affected by the variance of the difference scores. d. It may increase or may decrease; there is no consistent relationship between variance and the size of the t statistic.
In today's society which of the following would be most likely to be the primary breadwinner of the family?
a. Jackie, an upper-class White female b. Courtney, a lower-class White female c. Don, a lower-class White male d. Steve, a lower-class Black male