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Peer reviewedNandakumar, Ratna – Applied Psychological Measurement, 1993
The capability of the DIMTEST statistical test in assessing essential unidimensionality of item responses to real tests was investigated for 22 real tests of at least 25 items and 700 or more examinees. DIMTEST results on real tests were able to discriminate between essentially unidimensional and multidimensional tests. (SLD)
Descriptors: Computer Software, Mathematical Models, Measurement Techniques, Test Construction
