[Rasch] Separability of parameters

Mike Linacre (RMT) rmt at rasch.org
Thu Sep 28 06:58:35 EST 2006


Separability of parameters requires that all the parameters have sufficient 
statistics. This is only true of Rasch models. Other models with parallel 
IRFs, such as normal-ogive models, do not have separability.

Mike Linacre

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