Date: Tue, 18 Jul 2006 12:54:46 -0400
Reply-To: "Dogan, Enis" <email@example.com>
Sender: "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From: "Dogan, Enis" <firstname.lastname@example.org>
Subject: effect size: eta-squared vs partial eta-squared
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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?