A researcher plans to conduct a study comparing two treatment conditions with a total of 15 scores in each treatment. Which of the following designs would require the largest number of participants? A. an independent-measures design B. a repeated-measures design C. a matched-subjects design D. repeated measures and matched-subjects (both require the same number of participants) E. independent-measures and matched-subjects (both require the same number of participants)

Q: h solving the AN

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Q: a researcher conducts an experiment comparing two treatment conditions with 15 scores in each…

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Q: Rhino viruses typically cause common colds. In a test of the effectiveness of​ echinacea, 42 of the…

A: Answer X1 =42X2 =89n1=47n2 =102level of significance =0.01