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Educational Measurement:…

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Buckendahl, Chad W.	1
Harris, Deborah	1
Impara, James C.	1
Plake, Barbara S.	1

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Journal Articles	2
Reports - Evaluative	2
Guides - Non-Classroom	1

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NCME Instructional Module: Comparison of One-, Two-, and Three-Parameter IRT Models.

Peer reviewed

Harris, Deborah – Educational Measurement: Issues and Practice, 1989

This instructional module discusses the one-, two-, and three-parameter logistic item response theory (IRT) models. Mathematical formulas are given for each model and they are compared, with figures illustrating the effects of changing parameters. A single data set is used to demonstrate the effects of changing parameter values. (SLD)

Descriptors: Comparative Analysis, Equations (Mathematics), Estimation (Mathematics), Instructional Materials

District Accountability without a State Assessment: A Proposed Model.

Peer reviewed

Buckendahl, Chad W.; Impara, James C.; Plake, Barbara S. – Educational Measurement: Issues and Practice, 2002

Proposed an accountably model that addresses the challenges of allowing school districts to choose the specific strategies they use to measure student performance and evaluated this model using data from multiple sources for all school districts in Florida. Findings identify three strategies that would be useful for this type of accountability…

Descriptors: Academic Achievement, Accountability, Comparative Analysis, Educational Assessment