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Statistical calibration of psychometric tests

digital Statistical calibration of psychometric tests
Article
journal STATISTICA & APPLICAZIONI
issue STATISTICA & APPLICAZIONI - 2006 - 2
title Statistical calibration of psychometric tests
authors

publisher Vita e Pensiero
format Article | Pdf
language English
online since 06-2016
issn 18246672 (print)
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A calibration procedure is generally performed in order to correctly translate the personal traits observed through a psychometric test into numerical values. The calibration process ensures the objectivity of the measure instruments. Psychological measures are usually of indirect type, they are obtained as a result of a statistical inference process. Statistical calibration makes use of particular models, based on the inversion of the previous mentioned indirect measures. The Rasch model can be considered one of this model.

Keywords: statistical calibration, intelligence test, Rasch analysis.

Authors biography

Francesca De Battisti, Dipartimento di Scienze Economiche, Aziendali e Statistiche - Università degli Studi di Milano – via Conservatorio, 7, 20122 MILANO (e-mail: francesca.debattisti@unimi.it).
Silvia Salini, Dipartimento di Scienze Economiche, Aziendali e Statistiche - Università degli Studi di Milano – via Conservatorio, 7, 20122 MILANO (e-mail: silvia.salini@unimi.it).
Alberto Crescentini, Dipartimento di Psicologia – Università Cattolica del Sacro Cuore – Largo Gemelli, 1 20143 MILANO (alberto.crescentini@unicatt.it).