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Estimate effect size using partial omegasquared

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Question: A study investigated the effects of physical fatigue on the performance of professional tennis players. Researchers measured the number of unforced errors committed by a random sample of 12 professional tennis players during the first three sets of a match. They hypothesized that increased fatigue would be associated with a greater number of errors. The following is an F table for this hypothetical study using the oneway within-subjects ANOVA.

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(a ) Complete the F table and make a decision to retain or reject the null hypothesis.

(b) Estimate effect size using partial omegasquared: ω2p·

Reference no: EM131673101

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