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A note on the asymptotic variance-covariance matrix of item parameter estimates in the rasch model
Gruijter, Dato - In: Psychometrika 50 (1985) 2, pp. 247-249
Persistent link: https://www.econbiz.de/10005603615
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On the Relationships between Sum Score Based Estimation and Joint Maximum Likelihood Estimation
Pino, Guido; Martín, Ernesto; González, Jorge; Boeck, Paul - In: Psychometrika 73 (2008) 1, pp. 145-151
Persistent link: https://www.econbiz.de/10005757936
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A note on the computation of the second-order derivatives of the elementary symmetric functions in the rasch model
Formann, Anton - In: Psychometrika 51 (1986) 2, pp. 335-339
Persistent link: https://www.econbiz.de/10005184113