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Applying the principles of specific objectivity and of generalizability to the measurement of change
Fischer, Gerhard - In: Psychometrika 52 (1987) 4, pp. 565-587
Persistent link: https://www.econbiz.de/10005376291
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An extension of the partial credit model with an application to the measurement of change
Fischer, Gerhard; Ponocny, Ivo - In: Psychometrika 59 (1994) 2, pp. 177-192
Persistent link: https://www.econbiz.de/10005166422
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An irt-based model for dichotomous longitudinal data
Fischer, Gerhard - In: Psychometrika 54 (1989) 4, pp. 599-624
Persistent link: https://www.econbiz.de/10005603733