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Download full textIsenberg, Eric; Hock, Heinrich – Mathematica Policy Research, Inc., 2011
This report presents the value-added models that will be used to measure school and teacher effectiveness in the District of Columbia Public Schools (DCPS) in the 2010-2011 school year. It updates the earlier technical report, "Measuring Value Added for IMPACT and TEAM in DC Public Schools." The earlier report described the methods used…
Descriptors: Public Schools, Teacher Effectiveness, School Effectiveness, Models
Setzer, J. Carl; He, Yi – GED Testing Service, 2009
Reliability Analysis for the Internationally Administered 2002 Series GED (General Educational Development) Tests Reliability refers to the consistency, or stability, of test scores when the authors administer the measurement procedure repeatedly to groups of examinees (American Educational Research Association [AERA], American Psychological…
Descriptors: Educational Research, Error of Measurement, Scores, Test Reliability
Direct linkKluge, Annette – Applied Psychological Measurement, 2008
The use of microworlds (MWs), or complex dynamic systems, in educational testing and personnel selection is hampered by systematic measurement errors because these new and innovative item formats are not adequately controlled for their difficulty. This empirical study introduces a way to operationalize an MW's difficulty and demonstrates the…
Descriptors: Personnel Selection, Self Efficacy, Educational Testing, Computer Uses in Education
Peer reviewedQualls-Payne, Audrey L. – Journal of Educational Measurement, 1992
Six methods for estimating the standard error of measurement (SEM) at specific score levels are compared by comparing score level SEM estimates from a single test administration to estimates from two test administrations, using Iowa Tests of Basic Skills data for 2,138 examinees. L. S. Feldt's method is preferred. (SLD)
Descriptors: Comparative Testing, Elementary Education, Elementary School Students, Error of Measurement
Chang, Yu-Wen; Davison, Mark L. – 1992
Standard errors and bias of unidimensional and multidimensional ability estimates were compared in a factorial, simulation design with two item response theory (IRT) approaches, two levels of test correlation (0.42 and 0.63), two sample sizes (500 and 1,000), and a hierarchical test content structure. Bias and standard errors of subtest scores…
Descriptors: Comparative Testing, Computer Simulation, Correlation, Error of Measurement
Legg, Sue M.; Buhr, Dianne C. – 1990
Possible causes of a 16-point mean score increase for the computer adaptive form of the College Level Academic Skills Test (CLAST) in reading over the paper-and-pencil test (PPT) in reading are examined. The adaptive form of the CLAST was used in a state-wide field test in which reading, writing, and computation scores for approximately 1,000…
Descriptors: Adaptive Testing, College Entrance Examinations, Community Colleges, Comparative Testing
