Researchers investigating sleep ______
a. have identified a substance destroyed during sleep
b. have not been able to fully explain why we sleep
c. have observed a decrease in protein synthesis while we sleep
d. have found a substance created only during sleep
b
Psychology
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When psychologists use the predictive method to establish evidence of validity for a pre-employment test, they ask the employer to ______.
A. hire all the applicants who take the test B. hire all the applicants who pass the test C. use the test on all people employed by the company in a similar job D. postpone hiring until the criterion is measured
Psychology
A cell that contains 23 pairs of chromosomes divides by mitosis to form two new cells. How many pairs of chromosomes does each new cell contain?
A. 23 B. 6 C. 48 D. 12
Psychology