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Peruse online or e-journals in your field of interest

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Peruse online or e-journals in your field of interest. Locate one research report that compares two or more groups. What was the sample size of each group? How does it compare to the sample size guidelines for group comparison studies described in this chapter? Was there a reference to power and its connection to sample size? If so, what did the researcher(s) conclude about power and sample size?