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National Center for Education Statistics, 2013
The 2011 NAEP-TIMSS linking study conducted by the National Center for Education Statistics (NCES) was designed to predict Trends in International Mathematics and Science Study (TIMSS) scores for the U.S. states that participated in 2011 National Assessment of Educational Progress (NAEP) mathematics and science assessment of eighth-grade students.…
Descriptors: Grade 8, Research Methodology, Research Design, Trend Analysis
Sykes, Robert C. – 1989
An analysis-of-covariance methodology was used to investigate whether there were population differences between tryout and operational Rasch item b-values relative to differences between pairs of item response theory (IRT) b-values from consecutive operational item administrations. This methodology allowed the evaluation of whether any such…
Descriptors: Analysis of Covariance, Certification, Comparative Testing, Item Response Theory
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Ghiselli, William B. – Journal of Clinical Psychology, 1983
Studied predictability of therapeutic outcome of an alcoholism treatment program. Data analyzed by a mathematically oriented linear regression approach and by a clinically oriented retrospective parametric approach showed different predictors. Suggested that the parametric clinical approach be used to explain why therapy succeeded or failed.…
Descriptors: Alcoholism, Comparative Testing, Counseling Effectiveness, Drug Rehabilitation
Mittelholtz, David J.; Noble, Julie P. – 1993
The two studies reported examined the validity of several Evaluation/Survey Service (ESS) surveys for accurately reflecting changes in students' perceptions resulting from changes made by an institution in its policies, programs, services, or environment. In study 1, personnel from nine postsecondary institutions identified items on various ESS…
Descriptors: Academic Advising, Comparative Testing, Educational Change, Higher Education