Design with nonequivalent control groups

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Consider the posttest-only design with nonequivalent control groups. Can you think of an experimental situation in which this design might be necessary? How could you potentially strengthen the experimental design?

Reference no: EM13496608

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Design with nonequivalent control groups : Consider the posttest-only design with nonequivalent control groups. Can you think of an experimental situation in which this design might be necessary? How could you potentially strengthen the experimental design?
Likelihood of rejecting the null hypothesis : As the sample size increases, what happens to the likelihood of rejecting the null hypothesis and what happens to measures of effect size such as r2 and Cohen’s d?
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