Jim Lemon wrote: > 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.
That is exactly what I suspect. Actually, it is not too far off, but definitely not the same. Tom -- +----------------------------------------------------------------+ | Tom Backer Johnsen, Psychometrics Unit, Faculty of Psychology | | University of Bergen, Christies gt. 12, N-5015 Bergen, NORWAY | | Tel : +47-5558-9185 Fax : +47-5558-9879 | | Email : [EMAIL PROTECTED] URL : http://www.galton.uib.no/ | +----------------------------------------------------------------+ ______________________________________________ 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