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Rasch model
Scope Note
A mathematical formula for the relationship between the probability of success and the difference between an individual's ability and an item's difficulty, developed by Georg Rasch
Used For
Rasch measurement
Broader Term
Item response theory
Related Term
Ability
Achievement
Difficulty level
Item analysis
Mathematical models
Measurement
Probability
Test items
Subject Category
810 Research and theory
Date Added
Jun 2003
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