Question: Suppose your agency has been evaluating an intervention using a one-group pretest-posttest design with 200 participants and a dichotomous dependent variable, the Mann-Whitney U test

Suppose your agency has been evaluating an intervention using a one-group pretest-posttest design with 200 participants and a dichotomous dependent variable, the Mann-Whitney U test would be appropriate for testing the null hypothesis of no intervention effect (i.e., no change from before to after the intervention)?

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