Weighted likelihood estimation of ability in item response theory

Applications of item response theory, which depend upon its parameter invariance property, require that parameter estimates be unbiased. A new method, weighted likelihood estimation (WLE), is derived, and proved to be less biased than maximum likelihood estimation (MLE) with the same asymptotic vari...

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Veröffentlicht in:	Psychometrika 1989-09, Vol.54 (3), p.427-450
1. Verfasser:	WARM, T. A
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Fundamental and applied biological sciences. Psychology Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Psychometrics Psychometrics. Statistics. Methodology
Online-Zugang:	Volltext
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