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Direct linkStacey, Kaye; Steinle, Vicki – Mathematics Education Research Journal, 2006
The basic theory of Rasch measurement applies to situations where a person has a certain level of a trait being investigated, and this level of ability is what determines (to within a measurement error) how well the person does on each item in a test. This paper responds to frequent suggestions from colleagues that the use of Rasch measurement…
Descriptors: Measurement, Error of Measurement, Item Response Theory, Construct Validity
