[Rasch] Differences in alpha for Winsteps and R

Stuart Luppescu lupp at uchicago.edu
Thu Jul 13 03:20:10 AEST 2017

On Wed, 2017-07-12 at 07:40 +1000, Mike Linacre wrote:
> Stuart, what happens when you analyze a single form in Winsteps? Do
> the Alphas of Winsteps and psych::alpha() agree?

OK. Never mind. Sorry to have bothered you. Analyzing a single form
gives identical alphas. (Not what I expected at all, but....)
Stuart Luppescu
Chief Psychometrician (ret.)
UChicago Consortium on School Research

lupp at uchicago.edu

More information about the Rasch mailing list