Methods for Summarizing the Rasch Model Coefficients

Giovanna Nicolini and Francesca De Battisti ()

No unimi-1039, UNIMI - Research Papers in Economics, Business, and Statistics from Universitá degli Studi di Milano

Abstract: The application of the Rasch model to measure the Quality and Customer Satisfaction of a service is possible only for a single dimension of the service. But we know that the Quality and Customer Satisfaction of a service are a compound of more than one dimension. In such a case the Rasch method cannot be applied. As it is well known, the one dimension Rasch model supplies two graduated lists: the first is about subject satisfaction and the second concerns item quality. If there are K service dimensions and if the Rasch model is applied to each of them, K different graduated lists of subject satisfaction for the n individuals are obtained. The aim of this work is to define an overall individual satisfaction measure obtained as linear combination of the K subject graduated lists, with weights estimated in two different ways, for different hypothesis. We have shown that these two methods are consistent.

Keywords: Rasch Model; Overall Satisfaction Measure (search for similar items in EconPapers)
Date: 2006-10-19
Note: oai:cdlib1:unimi-1039
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Citations: View citations in EconPapers (1)

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