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The Huynh-Feldt correction is a correction for violations of sphericity. If Mauchly's Sphericity Test test returns a small p-value, you should apply a ...

The use of Greenhouse-Geisser and Huynd-Feldt correctiions in repeated measures designsfor correcting against violations of sphericity.

An alternative correction that is believed to be less conservative is the Huynh–Feldt correction (1976). As a general rule of thumb, the Greenhouse–Geisser ...

The Greenhouse-Geisser and Huynh-Feldt estimates can both range from the lower bound (the most severe departure from sphericity possible given the data) and 1 ( ...

2019/2/10 -Huynh-Feldt 補正は、Greenhouse-Geisser 補正のϵの推定値（ˆϵ）を使ってより適切に修正した方法なのだ。

If it is greater than .75, then the Huynh-Feldt correction is recommended. Less than .75, and the Greenhouse-Geisser correction is recommended. ezANOVA is ...

represent a specific case. * Huynh Huynh is professor of statistics, University of Saigon. Leonard S. Feldt is professor of statistics and educational ...

%function [EpsHF EpsList EpsGG]=GenCalcHFEps(Y,BTFacs,WInFacs,S) % % This will calculate the Geisser-Greenhouse and Huynh-Feldt epsilon value

Huynh–Feldt and lower-‐bound). Notice that in all cases the F-‐ratios remain the same; it is the degrees of freedom that change (and hence the critical ...

Of the two sphericity correction methods, Huynh-Feldt correction is considered the least conservative (overestimate epsilon), while Greenhouse–Geisser is ...