Essential independence and likelihood-based ability estimation for polytomous items

Brian Junker

Psychometrika, 1991, vol. 56, issue 2, 255-278

Keywords: item response theory (IRT); polytomous item responses; essential independence; unidimensionality; latent trait identifiability; likelihood-based trait estimation; asymptotic standard errors; structural robustness; local dependence (search for similar items in EconPapers)
Date: 1991
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Citations: View citations in EconPapers (18)

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DOI: 10.1007/BF02294462

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