Testing a Latent Trait Model

  • Arnold L. van den Wollenberg


Within the domain of latent trait models the Rasch model (Rasch, 1960) takes a prominent place. This fact can be accounted for by the special characteristics of the model deriving from specific objectivity. As a consequence, this one-parameter logistic model, as it is also called, has been studied extensively for the past decade. Also with respect to model testing the Rasch model has been studied more thoroughly than other latent trait models. For this reason we will concentrate in the present paper on testing the Rasch model. Most of the points made with respect to the Rasch model apply to other latent trait models as well.


Latent Trait Item Parameter Latent Trait Model Estimate Item Parameter Subject Parameter 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media New York 1988

Authors and Affiliations

  • Arnold L. van den Wollenberg
    • 1
  1. 1.Department of Mathematical PsychologyUniversity of NijmegenNijmegenThe Netherlands

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