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Direct linkSamejima, Fumiko – Psychometrika, 2008
Samejima ("Psychometrika "65:319--335, 2000) proposed the logistic positive exponent family of models (LPEF) for dichotomous responses in the unidimensional latent space. The objective of the present paper is to propose and discuss a graded response model that is expanded from the LPEF, in the context of item response theory (IRT). This…
Descriptors: Psychological Testing, Item Response Theory, Psychometrics, Educational Testing
Peer reviewedSamejima, Fumiko – Psychometrika, 1974
Descriptors: Factor Analysis, Latent Trait Theory, Matrices, Models
