What is the main distinction between the nonequivalent comparison group design and the pretest-posttest control group design?
a. the use of pretesting in the latter
b. the use of statistical data analysis in the latter c. the random assignment of participants to groups in the latter
d. more than one independent variable in the latter
A
Political Science
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Which is an economy in which private enterprise and government both participate?
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A. higher local property tax B. federal grants C. the lottery D. special excise taxes
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