[R] Significance test, Cronbach's Alpha
Jim Lemon
jim at bitwrit.com.au
Tue Jun 6 01:19:37 CEST 2006
Tom Backer Johnsen wrote:
> Hello:
>
> I am reviewing a paper at the moment where the author reports a
> Cronbach's Alpha and adds a significance test of the value. I was not
> aware that such a test exists. Does it? If so, how is it done in R?
>
Hi Tom,
This may be due to the fact that some interpret Cronbach's alpha as a
correlation between items, thus encouraging the unwary to assume that
the probability of a numerically equivalent correlation can be used as a
test of significance.
Jim
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