Good points by Karl... It does not tell you how it might depart from
normality... you should also look at measures of skewness and kurtosis, as
well as graphic plots... q-q plots and histograms...
WBW
On Tue, 6 Jun 2000, Karl L. Wuensch wrote:
>
> Do not, however, assume that this p-value, all by itself, tells
> you much of importance with respect to whether or not there is a problem
> analyzing these same data with a procedure which assumes that the
> population of scores is normally distributed. The Shapiro-Wilk is quite
> powerful, and will lead to significant results when the sample is from a
> population not that far from normal.
> ----------------------- Ware's earlier response ------------------------
> Subject: Re: Need help - Shapiro-Wilk's W test...
> If the p-level is below your "predetermined" level of significance, then
> you would reject the null hypothesis that the data are a sample from a
> normally distributed population...
> -----------------------------------------------------------------------
>
> Karl L. Wuensch, Professor, Graduate Faculty,
> Director of Psychology/Social Work Computer Labs
> Dept. of Psychology, East Carolina Univ.
> Greenville, NC 27858-4353, phone 252-328-4102, fax 252-328-6283
> Bitnet Address: PSWUENSC@ECUVM1
> Internet Address: [EMAIL PROTECTED]
> Web Address: http://core.ecu.edu/psyc/wuenschk/klw.htm
>
>
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