The following data summarize the results from an independent-measures study comparing three treatment conditions.

a. Use an ANOVA with α = .05 to determine whether there are any significant differences among the three treatment means.
b. Calculate η2 to measure the effect size for this study.
c. Write a sentence demonstrating how a research report would present the results of the hypothesis test and the measure of effect size.

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II II n = 6 5 1 M = 30 T = T = 6 SS = 35 SS = 30 N = 18 M = 6 T = 36 72 Σχ477 SS 30 SS = 40