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Estimate effect size using partial omega-squared

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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 one-way within-subjects ANOVA.

a. How do I complete the F-table?

Source of Variation SS df MS Fobt

Between groups 11

Between persons 5 

Within groups (error) 44  

Total

b. How do I estimate effect size using partial omega-squared: ωP2? (Round your answer to two decimal places.)

ωP2 =

Reference no: EM132415876

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