This test can be meaningfull, but only in rare circumstancies (are the items (or raters) more consistent than what could be expected by chance?). I would do it with R using a bootstrap procedure (Efron & Tibshirani, An introduction to the bootstrap, p.156). Best regards, Bruno
PS : I am not really a specialist... ---------------------------------------------------------------------------- Bruno Falissard INSERM U669, PSIGIAM "Paris Sud Innovation Group in Adolescent Mental Health" Maison de Solenn 97 Boulevard de Port Royal 75679 Paris cedex 14, France tel : (+33) 6 81 82 70 76 fax : (+33) 1 45 59 34 18 web site : http://perso.wanadoo.fr/bruno.falissard/ ---------------------------------------------------------------------------- -----Message d'origine----- De : [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] De la part de Tom Backer Johnsen Envoyé : lundi 5 juin 2006 08:05 À : r-help@stat.math.ethz.ch Objet : [R] Significance test, Cronbach's Alpha 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? 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 ______________________________________________ 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
