Date: Fri, 4 Mar 2005 08:41:43 +1100
Sender: "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From: Paul Dickson <firstname.lastname@example.org>
Subject: Re: Calculation of Effect size for proportion
Are the dependent variables continuous and these mean scores, not proportions.
What are the standard deviations for these groups?
> Shihou Jin <email@example.com> wrote:
> I am sure some of you know how to calculate effect size for proportion.
> Let's say there are two treatment A and B. Treatment A has a mean of
> 35.6% and Treatment B is 37.9%. You can assume there are 45 subjects
> in treatment A and 51 in treatment B. Is there a way to calculate
> effect size for the difference of these two treatments.
> Shihou Jin
> Statistical Research Analyst
> Phone: 716-817-7868
> Uniform Data System for Medical Rehabilitation