Updated Item Parameter Estimates Using Sparse CAT Data / Robert L. Smith, Saba Rizavi and Roxanna Paez.

A study was conducted to investigate whether augmenting the calibration of items using computerized adaptive test (CAT) data matrices produced estimates that were unbiased and improved the stability of existing item parameter estimates. Item parameter estimates from four pools of items constructed f...

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Bibliographic Details
Main Authors:	Smith, Robert L. Rizavi, Saba (Author) Paez, Roxanna (Author) Rotou, Ourania (Author)
Language:	English
Published:	[Place of publication not identified] : Distributed by ERIC Clearinghouse, 2002.
Subjects:	Adaptive Testing. Bayesian Statistics. Computer Assisted Testing. Estimation (Mathematics) Simulation. Statistical Bias. Calibration > Parameter Identification Item Characteristic Function Reports, Research. Speeches/Meeting Papers.
Genre:	Reports, Research. Speeches/Meeting Papers.
Physical Description:	29 pages
Format:	Microfilm Book

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