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The aim of this paper is to propose a new corruption index based on individual attitudes referring to the European citizens. The index is defined by means of the person location parameters estimated by a partial credit model (PCM). This model is particularly suitable since the synthetic value of...
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A multinormal partial credit model for factor analysis of polytomously scored items with ordered response categories is derived using an extension of the Dutch Identity (Holland in Psychometrika 55:5–18, <CitationRef CitationID="CR11">1990</CitationRef>). In the model, latent variables are assumed to have a multivariate normal...</citationref>
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