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Showing all 2 results
Direct linkHuynh, Huynh; Rawls, Anita – Journal of Applied Measurement, 2011
There are at least two procedures to assess item difficulty stability in the Rasch model: robust z procedure and "0.3 Logit Difference" procedure. The robust z procedure is a variation of the z statistic that reduces dependency on outliers. The "0.3 Logit Difference" procedure is based on experiences in Rasch linking for tests developed by…
Descriptors: Comparative Analysis, Item Response Theory, Test Items, Difficulty Level
Peer reviewedHuynh, Huynh; Meyer, J. Patrick – Journal of Applied Measurement, 2003
Using the Rasch model for ordered categories, this paper provides a method for qualitative interpretations of data from an affective measure such as an attitude scale. This maximum information approach provides explicit qualitative information about the meaning of a score on the latent trait being assessed. (SLD)
Descriptors: Affective Measures, Classification, Item Response Theory, Qualitative Research
