Your subject line also suggests you might consult with your local priest. ;-)
Cheers, RMW On Wed, Oct 10, 2012 at 2:51 PM, Bert Gunter <gunter.ber...@gene.com> wrote: > Advice: > > Do not post here. This does not appear to be an R question. Post to a > statistics list like stats.stackexchange.com instead. > > -- Bert > > On Wed, Oct 10, 2012 at 6:42 AM, codec cat <v.code...@gmail.com> wrote: >> Dear all >> >> I wonder if someone can explain what is the main difference between omega >> and alpha reliabilities? >> >> I understand an omega reliability is based on hierarchical factor model as >> shown in this >> graph<http://rgm2.lab.nig.ac.jp/RGM_results/psych:omega.graph/omega.graph_002_big.png>, >> and >> alpha uses average inter-item correlations. >> >> 1. What I don't understand is, in what condition, omega reliability >> coefficient would be higher than alpha coefficient, and vice versa? >> >> 2. Can I assume if the correlations between the subfactors and the >> variables are higher, the omega coefficient would also be higher (as shown >> in the omega >> graph<http://rgm2.lab.nig.ac.jp/RGM_results/psych:omega.graph/omega.graph_002_big.png> >> )? >> >> Any advice is appreciated! >> >> Thanks. >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. > > > > -- > > Bert Gunter > Genentech Nonclinical Biostatistics > > Internal Contact Info: > Phone: 467-7374 > Website: > http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.