Abstract
This paper describes the foundations, developments, applications and resources of the Rasch model (Rasch, 1960). Using Newton’s Second Law of Motion, I show how the scale of the Rasch model is objective and interval. The similarity and difference between the Rasch model and multi-parameter logistic models are addressed. Impacts of the Rasch model on testing practice are commented. Six major trends in the developments of the Rasch model are outlined. Applications of the family of Rasch models are illustrated through several empirical examples. Finally, academic journal papers of domestic researchers in recent five years on the topics of the Rasch model and item response theory are listed. Relevant textbooks, journals, conferences, computer programs, and websites are briefly introduced.
| Keywords: | psychological measurement; objective measurement; interval scale; item response theory; classical test theory |
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