Rasch modelling, scale development and paired comparisons



Emanating from the classical test theory (CTT) this chapter gives a theoretical introduction to the principles of Rasch modelling. This serves as the basis for the conduction of the Rasch homogeneity tests and the model selection with regard to the constructs used in the experiments. Moreover the constructs, their aims and their origin undergo a closer consideration.


Product Category Purchase Intention Item Parameter Saturated Model Classical Test Theory 


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Copyright information

© Springer Fachmedien Wiesbaden 2013

Authors and Affiliations

  1. 1.ViennaAustria

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