Interpreting the chi-square statistics reported in the many-faceted Rasch model |
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Authors: | RE Schumacker ME Lunz |
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Affiliation: | College of Education, Dept. of Technology & Cognition, University of North Texas, Denton 76203, USA. |
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Abstract: | The different chi-square statistics reported in the many-faceted Rasch model analysis are presented and interpreted. In addition, other chi-square summary values are computed and presented for interpretation of facets. The chi-square values are useful for determining: (1) the significance of a facet in the Rasch model; (2) the significant contribution of facet main and interaction effects; (3) differences among facet elements; and (4) identifying the specific facet interaction adjustments to the subjects' calibrated logit ability measure. |
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