# Question

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

a. Use an ANOVA with a = .05 to determine whether there are any significant differences among the three treatment means. Note: Because the samples are all the same size, MSwithin is the average of the three sample variances.

b. Calculate h2 to measure the effect size for this study.

a. Use an ANOVA with a = .05 to determine whether there are any significant differences among the three treatment means. Note: Because the samples are all the same size, MSwithin is the average of the three sample variances.

b. Calculate h2 to measure the effect size for this study.

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