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Download full textNandakumar, Ratna – 1992
The capability of the DIMTEST statistical test to assess essential dimensionality of the model underlying item responses of real tests as opposed to simulated tests was investigated. A variety of real test data from difference sources was used to assess essential dimensionality. Based on DIMTEST results, some test data are assessed as fitting an…
Descriptors: Ability, Computer Simulation, Evaluation Methods, Item Response Theory
