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Statistical calibration of psychometric tests

Listed author(s):
  • Francesca DE BATTISTI


  • Silvia SALINI




La psicometria è quella branca della psicologia che si occupa di tradurre in termini numerici le caratteristiche psicologiche della persona o dei suoi comportamenti. Questo approccio ha portato a sviluppare strumenti di misura con l'obiettivo di rendere condivisibili le entità di caratteristiche che altrimenti sarebbero valutabili in un'ottica esclusivamente soggettiva e descrittiva (Stevens, 1951). Per perseguire tale obiettivo occorre considerare che la misura di caratteristiche psicologiche è prevalentemente indiretta ovvero ottenuta mediante inferenza probabilistica piuttosto che attraverso assunzione diretta del dato. Da qui nasce l'esigenza di utilizzare particolari modelli che, nella stessa logica della taratura statistica degli strumenti di misura, si basano sulla inversione di misure indirette.

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Paper provided by Department of Economics, Management and Quantitative Methods at Università degli Studi di Milano in its series Departmental Working Papers with number 2004-16.

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Date of creation: 01 Jan 2004
Handle: RePEc:mil:wpdepa:2004-16
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  1. Francesca DE BATTISTI & Giovanna NICOLINI & Silvia SALINI, 2003. "The rasch model to measure service quality," Departmental Working Papers 2003-27, Department of Economics, Management and Quantitative Methods at Università degli Studi di Milano.
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