Reference : On the relationships between Jeffreys modal and weighted likelihood estimation of abi...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Mathematics
http://hdl.handle.net/2268/89575
On the relationships between Jeffreys modal and weighted likelihood estimation of ability under logistic IRT models
English
Magis, David mailto [Université de Liège - ULg > Département de mathématique > Statistique mathématique >]
Raîche, Gilles [ > > ]
2012
Psychometrika
Psychonomic Society
77
163-169
Yes (verified by ORBi)
International
0033-3123
Research Triangle Park
VA
[en] Logistic model ; Bayesian modal estimation ; Jeffreys’ prior ; weighted likelihood estimation
[en] This paper focuses on two estimators of ability with logistic item response theory models: the
Bayesian modal (BM) estimator and the weighted likelihood (WL) estimator. For the BM estimator, Jeffreys’ prior distribution is considered, and the corresponding estimator is referred to as the Jeffreys modal (JM) estimator. It is established that under the three-parameter logistic model, the JM estimator returns larger estimates than the WL estimator. Several implications of this result are outlined.
http://hdl.handle.net/2268/89575

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