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Repeated-Measures Design and T-tests

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John wants to measure self-esteem among victims of domestic violence before and after they complete an 8-week program for abuse victims. Could he use a repeated-measures design and t-test for this study? Why? Give John directions for how to set up his study as a repeated measures design. Be specific about who, what, when, and how. Describe a kind of measure he could use for the DV that would result in scores that are on a continuous scale of measurement. Support your responses.

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The solution discusses the procedure of conducting a repeated-measures design and t-test in a real sample.

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John wants to measure self-esteem among victims of domestic violence before and after they complete an 8-week program for abuse victims. Could he use a repeated-measures design and t-test for this study? Why?

Ans: Yes, John could use a repeated-measures design and t-test for this study. This is because 1. the experimental units before and after test are dependent and have equal size (this is called pairs), 2. the experimental unit is randomly picked and 3. the difference between pairs are ...

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