1日前 -Mauchly's Test of Sphericity was violated and the Greenhouse-Geisser ε is > .75 for some, and < .75 for others. My sample size is fairly small (19) so I'm ...
2023/11/20 -The Greenhouse-Geisser correction refers to: Temperature control, A nonparametric method of correcting for non-normality, Raising the sample size, A way of ...
2024/4/18 -I have read that the GG approximation can underestimate p-values. I can't just assume sphericity regardless, as it overestimates significance and puts (****) ...
2024/6/27 -... The Greenhouse-Geisser is frequently used to assess changes in results with observations in the study with within-subjects. When the assumption of ...
2023/11/20 -But if the Greenhouse-Geisser value is < 0.75, then you should use the Greenhouse-Geisser correction. Both these corrected F-values can be specified in the ...
2023/10/15 -The general recommendation is to use the Greenhouse-Geisser correction when GGe is less than 0.75; otherwise, we should use the Huynh-Feldt correction HFe. As ...
2024/9/1 -For ANOVA tables, a correction to the degrees of freedom can be used - afex offers both the Greenhouse-Geisser (which is used by default) and the Hyunh-Feldt ...
2024/8/23 -The correction method to be employed if one factor has more than two levels. If True, sphericity correction using the Greenhouse-Geisser method will be applied.
2024/6/10 -Greenhouse-Geisser Method: The Greenhouse-Geisser method is another modified version of the traditional method that takes into account violations of the ...
2023/12/3 -The pairwise comparison is not statistically significant. The Huynh-Feldt (HF) and Greenhouse-Geisser (GG) correction methods serve to: decrease the degrees ...