Eta Spss. Eta squared for one way anova option 1 spss offers several options for running a one way anova and many students start off with a nalyze c ompare means o ne way anova but oddly η2 is completely absent from this dialog. Luckily eta squared is very simple to calculate yourself based on the sums of squares in your anova table.
Clicking p aste results in the syntax below. More recent versions have fixed the label but still don t offer eta squared as an option. Eta squared for one way anova option 1 spss offers several options for running a one way anova and many students start off with a nalyze c ompare means o ne way anova but oddly η2 is completely absent from this dialog.
Clicking p aste results in the syntax below.
This function also includes the value of the chi square statistic which is only valid when a. For example in brown 2007 i used an example anova to demonstrate how to calculate power with spss. We ll therefore use means instead as shown below. Eta squared for one way anova option 1 spss offers several options for running a one way anova and many students start off with a nalyze c ompare means o ne way anova but oddly η2 is completely absent from this dialog.
