Item Response Models

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Item Response Models

• Gilles Raîche
• Université du Québec à Montréal
• David Magis
• Université de Liège
• Septembre 25th, 2006
• McGill University

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Item Response Models

• Origin of Item Responses Models (IRT and RASCH)
• Dichotomous Models and their Interpretation 1,
  2, 3 et 4 Parameters Models (and Specifity of
  Rasch Model)
• Polytomous Models and their Interpretation
• Nominal, Grading, Extended grading, Partial
  Credit, Extended Partial Credit, Rating Scale
• Many Facets Models (Linacre Model)
• Estimation and General Softwares SAS (DeBoeck
  and Wilson), R,
• Adaptive Testing
• End

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General Dichotomous Model

• 1 Parameter Logistic Model (Rasch Model)

By Local Independance
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Other Dichotomous Model

• 2 Parameter Logistic Model Rasch Model)

3 Parameter Logistic Model (Rasch Model)
4 Parameter Logistic Model (Rasch Model)
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References

• Baker, F. B. and Kim, S.-H. (2004). Item response
  theory. Parameter estimation techniques. New
  York, NY Marcel Dekker.
• Bertrand, R. et Blais, J.-G. (2004). Modèles de
  mesure. Lapport de la théorie des réponses aux
  items. Ste-Foy, QC Presses de lUniversité du
  Québec.
• de Boeck, P. and Wilson, M. (2004). Explanatory
  item response models. A generalized linear and
  nonlinear approach. New York, NY Springer.
• Embretson, S. E. and Reise, S. P. (2000). Item
  response theory for psychologist. Mahwah, NJ
  LEA.