The weakness of static group comparison is that the researcher
A) is biased.
B) cannot know whether group differences prior to the experiment or if the independent variable caused differences in post test outcomes.
C) cannot know whether group differences prior to the experiment or if the dependent variable caused differences in post test outcomes.
D) is unneeded.
B
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Which of the following statements is legally true?
A. Because women as a group live longer than men, an employer may pay them monthly retirement benefits smaller than those received by men. B. A state can set different ages at which men and women legally become adults. C. High schools may pay the coaches of girls' sports less than they pay the coaches of boys' sports. D. States can give widows a property-tax exemption not given to widowers. E. All of these are correct.
When the federal government takes in less money than it spends, it runs a budget ______.
a. deficit b. surplus c. allocation d. analysis