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What Does It Mean for Items to Fit a Latent Trait Psychometric Model: A Comparison of Model Fitting with Content Validation.
Garcia-Quintana, Roan A.; Ryan, Joseph P. – 1979
A sixth-grade mathematics test was evaluated in two different ways, and the evaluations were compared. One method of evaluation was to use the Rasch model for item analysis and to accept or reject items on the basis of the extent to which the data fit the model. The other method of evaluation was to ask school superintendents and teachers to rate…
Descriptors: Course Objectives, Criterion Referenced Tests, Elementary School Mathematics, Factor Analysis