Date: Thu, 22 Sep 2011 09:33:18 -0500
Reply-To: Rick Oliver <oliverr@us.ibm.com>
Sender: "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From: Rick Oliver <oliverr@us.ibm.com>
Subject: Re: Selecting a Statistical Test for unmatched pre post survey
In-Reply-To: <1316701234214-4830321.post@n5.nabble.com>
Content-Type: multipart/alternative;
What do you mean by "the samples do not match"? If they are totally
different samples, then it's not really a pretest-posttest comparison, is
it?
From: Bruce Weaver <bruce.weaver@hotmail.com>
To: SPSSX-L@listserv.uga.edu
Date: 09/22/2011 09:22 AM
Subject: Re: Selecting a Statistical Test for unmatched pre post
survey
Sent by: "SPSSX(r) Discussion" <SPSSX-L@listserv.uga.edu>
What test would you use if you /did/ have matched pairs of scores? Is
there
a version of that test for independent groups?
seguchi wrote:
>
> I am not sure which statistical test is the most appropriate for my
> sample.
> We implemented a nurtition education program to local elementary schools
> and we administered surveys (Pretest and Posttest). The problem is the
> sample do not match(from the same population) between pre and post.
Survey
> score is in interval.
>
-----
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Bruce Weaver
bweaver@lakeheadu.ca
http://sites.google.com/a/lakeheadu.ca/bweaver/
"When all else fails, RTFM."
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