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Sufficiency and Conditional Estimation of Person Parameters in the Polytomous Rasch Model


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  • David Andrich


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    Bibliographic Info

    Article provided by Springer in its journal Psychometrika.

    Volume (Year): 75 (2010)
    Issue (Month): 2 (June)
    Pages: 292-308

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    Handle: RePEc:spr:psycho:v:75:y:2010:i:2:p:292-308

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    Keywords: polytomous Rasch model; sufficiency; pseudo-likelihood; person estimation; test equating;


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    Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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    1. Thomas Warm, 1989. "Weighted likelihood estimation of ability in item response theory," Psychometrika, Springer, Springer, vol. 54(3), pages 427-450, September.
    2. Geoff Masters, 1982. "A rasch model for partial credit scoring," Psychometrika, Springer, Springer, vol. 47(2), pages 149-174, June.
    3. David Andrich, 1995. "Models for measurement, precision, and the nondichotomization of graded responses," Psychometrika, Springer, Springer, vol. 60(1), pages 7-26, March.
    4. Erling Andersen, 1977. "Sufficient statistics and latent trait models," Psychometrika, Springer, Springer, vol. 42(1), pages 69-81, March.
    5. Mark Wilson & Geofferey Masters, 1993. "The partial credit model and null categories," Psychometrika, Springer, Springer, vol. 58(1), pages 87-99, March.
    6. Geofferey Masters & Benjamin Wright, 1984. "The essential process in a family of measurement models," Psychometrika, Springer, Springer, vol. 49(4), pages 529-544, December.
    7. David Andrich, 1978. "A rating formulation for ordered response categories," Psychometrika, Springer, Springer, vol. 43(4), pages 561-573, December.
    8. Paul Jansen & Edward Roskam, 1986. "Latent trait models and dichotomization of graded responses," Psychometrika, Springer, Springer, vol. 51(1), pages 69-91, March.
    9. Carolyn J. Anderson & Zhushan Li & Jeroen K. Vermunt, . "Estimation of Models in a Rasch Family for Polytomous Items and Multiple Latent Variables," Journal of Statistical Software, American Statistical Association, American Statistical Association, vol. 20(i06).
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