Re: [R] Significance test, Cronbach's Alpha

From: Jim Lemon <jim_at_bitwrit.com.au>
Date: Tue 06 Jun 2006 - 09:19:37 EST

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



R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Mon Jun 05 21:12:31 2006

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.1.8, at Mon 05 Jun 2006 - 22:10:29 EST.

Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help. Please read the posting guide before posting to the list.