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Mathematical Models	3
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Equations (Mathematics)	1
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Applied Measurement in…

Author

Crouse, Jill D.	1
Harris, Deborah J.	1
Hoover, H. D.	1
Schiel, Jeffrey L.	1
Shaw, Dale G.	1
Welch, Catherine	1

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Reports - Evaluative	3
Information Analyses	1

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A Study of Criteria Used in Equating.

Peer reviewed

Harris, Deborah J.; Crouse, Jill D. – Applied Measurement in Education, 1993

Criteria used in the equating process proposed in the literature are reviewed. The discussion begins by examining how equating is defined. The controversy over the best criterion, the utility of some, and whether a criterion is needed at all means that much work needs to be done in this area. (SLD)

Descriptors: Data Collection, Definitions, Equated Scores, Evaluation Criteria

Procedures for Extending Item Bias Detection Techniques to Polytomously Scored Items.

Peer reviewed

Welch, Catherine; Hoover, H. D. – Applied Measurement in Education, 1993

Methodology is suggested for several statistical procedures to detect polytomously scored items that function differently for two subgroups of examinees. The 3 methods are alternative ways of combining the data from 2 x "k" tables. Simulation results demonstrate the superiority of two of the methods, designated HW1 and HW3. (SLD)

Descriptors: Computer Simulation, Effect Size, Equations (Mathematics), Estimation (Mathematics)

Information Retention as a Function of the Number of Intervals and the Reliability of Continuous Variables.

Peer reviewed

Schiel, Jeffrey L.; Shaw, Dale G. – Applied Measurement in Education, 1992

Changes in information retention resulting from changes in reliability and number of intervals in scale construction were studied to provide quantitative information to help in decisions about choosing intervals. Information retention reached a maximum when the number of intervals was about 8 or more and reliability was near 1.0. (SLD)

Descriptors: Decision Making, Knowledge Level, Mathematical Models, Monte Carlo Methods