Right, if you are matching by selecting from two populations. But what if you
are making two groups by selecting from a single population?
don
Donald McBurney
Mike Scoles wrote:
> Matching from populations that are not equal to begin with does not produce
> equal groups. In fact, it sets one up for problems with regression.
>
> *************************************************
> Michael T. Scoles, Ph.D.
> Director, Arkansas Charter School Resource Center
> Associate Professor of Psychology & Counseling
> University of Central Arkansas
> Conway, AR 72035
> voice: (501) 450-5418
> fax: (501) 450-5424
> *************************************************
>
> >-----Original Message-----
> >From: Donald H. McBurney [mailto:[EMAIL PROTECTED]
> >Sent: Wednesday, February 26, 2003 12:30 PM
> >To: Teaching in the Psychological Sciences
> >Subject: Re: We've got it all wrong
> >
> >
> The purpose of randomization is not to produce
> >groups that are approximately equal--matching can do a much better job.
>
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