Eta² is A)the proportion of unexplained variance relative to the total variance. B)the proportion of error variance relative to the total variance. C)the proportion of explained variance relative to the total variance. D)the total amount of variability in the independent variable.

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Eta² is a measure of effect size in a one-way ANOVA. It represents the proportion of explained variance relative to the total variance, which indicates how much of the variation in the dependent variable can be attributed to the independent variable or group membership.

Eta2 Is

Eta² Is