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Download full textLee, 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, Guemin; Lewis, Daniel M. – 2001
The Bookmark Standard Setting Procedure (Lewis, Mitzel, and Green, 1996) is an item-response-theory-based standard setting method that has been widely implemented by state testing programs. The primary purposes of this study were to: (1) estimate standard errors for cutscores that result from Bookmark standard settings under a generalizability…
Descriptors: Cutting Scores, Elementary School Students, Elementary Secondary Education, Error of Measurement
Lee, Guemin; Fitzpatrick, Anne R.; Ito, Kyoko – 2001
School test performance is commonly summarized in terms of the percentage of students at or above a cut score (PAAC) that has been set on a test. Two approaches to estimating the standard errors for school PAACs were examined in this study: conditional standard errors and overall standard errors. The tests used were English language arts and…
Descriptors: Academic Achievement, Cutting Scores, Elementary Education, Elementary School Students
