Almost always that you've made a mistake and haven't reversed some items that should have been reversed. (Some software will do that automatically).
Use check.keys=TRUE, and the alpha function (in the psych package) will automatically reverse items if that needs to be done. J On Thu, 9 Feb 2017 at 09:58 Steven Stoline <sstol...@gmail.com> wrote: > Dear All: > > > how to interpret the negative values of Cronbach's Alpha. > > *e.g.*, alpha = -0.229974 , alpha = -0.172835 > > > thank you very much for your help. > > > with thanks > steve > > -- > Steven M. Stoline > sstol...@gmail.com > > [[alternative HTML version deleted]] > > _______________________________________________ > R-sig-teaching@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-sig-teaching > [[alternative HTML version deleted]] _______________________________________________ R-sig-teaching@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-sig-teaching
