[Rasch] Removing misfitting items - Ben W. is right!

Mike Linacre mike at winsteps.com
Wed Jul 26 15:52:05 AEST 2017

".   removing the misfitting items only improved the results in the case 
of severe multidimensionality and large proportion of misfitting items, 
and deteriorated them otherwise."
in "Investigating the Practical Consequences of Model Misfit in 
Unidimensional IRT Models",
Daniela R. Crisan, Jorge N. Tendeiro, Rob R. Meijer, Applied 
Psychological Measurement, 41, 6, 439–455, July 2017

Once again, the Rasch model is proved to be robust. Ben Wright is 
smiling .....

Mike L.

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