Person Parameter Estimation and Measurement in Rasch Models

S Kreiner; Karl Bang Christensen

Person Parameter Estimation and Measurement in Rasch Models

Biostatistisk afdeling

29 Citationer (Scopus)

Abstract

During analysis by Rasch models, estimates of person parameters are regarded as measures of unobservable latent traits, and the bias and standard errors of the estimates are regarded as measurement bias and standard error of measurement (SEM). This chapter describes person parameter estimation in dichotomous and polytomous Rasch models. It illustrates the maximum likelihood estimate (MLE) and the weighted maximum likelihood estimate (WMLE) using the data set from the disinhibited eating (DE) subscale of the Diabetes Health Profile (DHP) inventory. The chapter explains how to assess the quality of measurement provided by Rasch model items from a population point of view.

Originalsprog	Udefineret/Ukendt
Titel	In:Rasch Models in Health
Redaktører	Mesbah M Christensen KB Kreiner S
Antal sider	15
Forlag	Wiley
Publikationsdato	4 mar. 2013
Sider	63-77
Status	Udgivet - 4 mar. 2013

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Citationsformater

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