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What Is the Important Difference Between the Posttest-Only Control-Group Design

Question 93

Multiple Choice

What is the important difference between the posttest-only control-group design and the posttest-only design with nonequivalent groups?


A) The former uses random assignment of participants to groups
B) The former uses two groups of participants
C) The latter involves testing participants twice
D) The latter does not manipulate an independent variable

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