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Download full textAnderson, Daniel; Alonzo, Julie; Tindal, Gerald – Behavioral Research and Teaching, 2012
In this technical report, we describe the results of a study of mathematics items written to align with the Common Core State Standards (CCSS) in grades 6-8. In each grade, CCSS items were organized into forms, and the reliability of these forms was evaluated along with an experimental form including items aligned with the National Council of…
Descriptors: Curriculum Based Assessment, Mathematics Tests, Academic Standards, State Standards
Lee, Guemin; Frisbie, David A. – 1997
Previous studies have indicated that the reliability of test scores composed of testlets might be overestimated by conventional item-based reliability estimation methods (R. Thorndike, 1953; A. Anastasi, 1988; S. Sireci, D. Thissen, and H. Wainer, 1991; H. Wainer and D. Thissen, 1996). This study used generalizability theory to investigate the…
Descriptors: Estimation (Mathematics), Generalizability Theory, Reliability, Scores
Lee, Yong-Won; Kantor, Robert; Mollaun, Pam – 2002
This paper reports the results of generalizability theory (G) analyses done for new writing and speaking tasks for the Test of English as a Foreign Language (TOEFL). For writing, a special focus was placed on evaluating the impact on the reliability of the number of raters (or ratings) per essay (one or two) and the number of tasks (one, two, or…
Descriptors: English (Second Language), Generalizability Theory, Reliability, Scores
