What is ?2?
Similarly, you may ask, what is ETA in statistics?
Eta-squared is commonly used in ANOVA and t test designs as an index of the proportion of variance attributed to one or more effects. Eta-squared quantifies the percentage of variance in the dependent variable (Y) that is explained by one or more independent variables (X).
Also, how do you calculate partial eta squared? Partial Eta Squared. Partial eta squared is the ratio of variance associated with an effect, plus that effect and its associated error variance. The formula is similar to eta2: Partial eta2 = SSeffect / SSeffect + SSerror.
Similarly, what is the symbol for eta squared?
Well, there's several measures of effect size that tell us just that. One that's often used is (partial) eta squared, denoted as η2 (η is the Greek letter eta).
Can an effect size be greater than 1?
If Cohen's d is bigger than 1, the difference between the two means is larger than one standard deviation, anything larger than 2 means that the difference is larger than two standard deviations.