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Date:         Tue, 18 Jul 2006 12:54:46 -0400
Reply-To:     "Dogan, Enis" <>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         "Dogan, Enis" <>
Subject:      effect size: eta-squared vs partial eta-squared
Content-Type: text/plain; charset="us-ascii"

Dear all

SPSS reports partial et-sq as opposed to eta-squared.

I found in the literature the rule thumb for eta-squared as small (0.01), medium (0.06), and large (0.14) (Cohen, 1988).

Does this apply to partial eta-squared as well?

Also, the definition of eta-squared gives me the idea that it is no different than what some of us call partial R squared.

Am I right?

There is rumor out there that "researchers erroneously report partial eta-squared values as representing classical eta-squared values"

Any value in this argument?



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