Date: Thu, 22 Sep 2011 09:33:18 -0500
Reply-To: Rick Oliver <email@example.com>
Sender: "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From: Rick Oliver <firstname.lastname@example.org>
Subject: Re: Selecting a Statistical Test for unmatched pre post survey
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
From: Bruce Weaver <email@example.com>
Date: 09/22/2011 09:22 AM
Subject: Re: Selecting a Statistical Test for unmatched pre post
Sent by: "SPSSX(r) Discussion" <SPSSX-L@listserv.uga.edu>
What test would you use if you /did/ have matched pairs of scores? Is
a version of that test for independent groups?
> I am not sure which statistical test is the most appropriate for my
> 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.
> score is in interval.
"When all else fails, RTFM."
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