Winner of the Washingtonian great places to work, and Glassdoor #1 Company to Work For 2015! Have access to all of TMF's online and email products for FREE, and be paid for your contributions to TMF! Click the link and start your Fool career.
Partial eta-squared is a measure of variance, like r-squared. It tells us what proportion of the variance in the dependent variable is attributable to the factor in question. You can get these measures by choosing the 'Estimates of effect size' option when setting up an ANOVA.
Best Answer: Eta squared is also known as R squared or the proportion of variance accounted for.The proportion of variance accounted for is the proportion of th total variation of score from the grand mean that is accounted for by the variation between the means of the groups.est Answer: Eta squared is also known as R squared or the proportion of variance accounted for.