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Download full textDeMars, Christine E. – Online Submission, 2005
Several methods for estimating item response theory scores for multiple subtests were compared. These methods included two multidimensional item response theory models: a bi-factor model where each subtest was a composite score based on the primary trait measured by the set of tests and a secondary trait measured by the individual subtest, and a…
Descriptors: Item Response Theory, Multidimensional Scaling, Correlation, Scoring Rubrics
Barisa, Mark; And Others – 1991
The validity of the Self Concept as a Learner Revised (SCALR) inventory was studied. The construct issue of academic self-concept was explored by comparing the SCALR to the academic portion of the Multidimensional Self Concept Scale (MSCS). The SCALR contains 44 items (four scales of 11 items each). The SCALR version for grades 7 through 12 was…
Descriptors: Cognitive Style, Comparative Testing, Construct Validity, Correlation
