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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
Peer reviewedHorkay, Nancy; Bennett, Randy Elliott; Allen, Nancy; Kaplan, Bruce; Yan, Fred – Journal of Technology, Learning, and Assessment, 2006
This study investigated the comparability of scores for paper and computer versions of a writing test administered to eighth grade students. Two essay prompts were given on paper to a nationally representative sample as part of the 2002 main NAEP writing assessment. The same two essay prompts were subsequently administered on computer to a second…
Descriptors: Writing Evaluation, Writing Tests, Computer Assisted Testing, Program Effectiveness
