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Error of Measurement2
Testing Programs2
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Estimation (Mathematics)1
Generalizability Theory1
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Educational and Psychological…2
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Harris, Deborah J.1
Kolen, Michael J.1
Lee, Guemin1
Lewis, Daniel M.1
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A Generalizability Theory Approach to Standard Error Estimates for Bookmark Standard Settings
Peer reviewed Peer reviewed
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Lee, Guemin; Lewis, Daniel M. – Educational and Psychological Measurement, 2008
The bookmark standard-setting procedure is an item response theory-based method that is widely implemented in state testing programs. This study estimates standard errors for cut scores resulting from bookmark standard settings under a generalizability theory model and investigates the effects of different universes of generalization and error…
Descriptors: Generalizability Theory, Testing Programs, Error of Measurement, Cutting Scores
Bootstrap and Traditional Standard Errors of the Point-Biserial.
Peer reviewed Peer reviewed
Harris, Deborah J.; Kolen, Michael J. – Educational and Psychological Measurement, 1988
Three methods of estimating point-biserial correlation coefficient standard errors were compared: (1) assuming normality; (2) not assuming normality; and (3) bootstrapping. Although errors estimated assuming normality were biased, such estimates were less variable and easier to compute, suggesting that this might be the method of choice in some…
Descriptors: Error of Measurement, Estimation (Mathematics), Item Analysis, Statistical Analysis