Rob -
Have her calculate an effect size for her own results and for the
published results of other studies in her field. If her effect size is in
the ballpark of published results, she's in business. She can talk about
that instead of fretting about the significance level. If her effect size is
below the published values, she'll have to admit defeat (as it were...).
Here's a nice little site she can read:
http://web.uccs.edu/lbecker/SPSS/glm_effectsize.htm
She'll be happy to see that it's a simple calculation, and can easily be
done with the published ANOVA tables of other studies (that is, all the
information she'll need is already in the papers she's reading).
Wasn't there an entire issue of American Psychologist devoted to the
debate over the use of hypothesis testing, just a couple of years ago?
Paul Smith
Alverno College
Milwaukee
----- Original Message -----
From: Rob Flint <[EMAIL PROTECTED]>
To: Teaching in the Psychological Sciences <[EMAIL PROTECTED]>
Sent: Monday, November 11, 2002 6:39 AM
Subject: Marginally Significant?
> One of my students doing her senior thesis ran her stats and got results
of
> .056 and .08 for two different ANOVAs. In the past I have seen published
> ..056 and .08 for two different ANOVAs. In the past I have seen published
> studies indicating that these are "marginally significant." How do you
deal
> with results of this nature? More importantly, do you have any citations
> (journals or books) that discuss the value of including/discussing results
> that seem to "approach significance"?
>
> Thanks,
>
> Rob Flint
> -------------------------------------------------------------
> Robert W. Flint, Jr., Ph.D.
> The College of Saint Rose
> Department of Psychology
> 432 Western Avenue
> Albany, NY 12203-1490
>
> Office: 518-458-5379
> Lab: 518-454-2102
> Fax: 518-458-5446
>
> Behavioral Neuroscience Homepage:
> http://academic.strose.edu/academic/flintr/
> Department of Psychology Homepage:
> http://academic.strose.edu/academic/psychology/index.htm
>
>
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