Metric-Free Measures of Test Score Trends and Gaps with Policy-Relevant Examples. CSE Report 665 [electronic resource] / Andrew D. Ho and Edward H. Haertel.

Problems of scale typically arise when comparing test score trends, gaps, and gap trends across different tests. To overcome some of these difficulties, we can express the difference between the observed test performance of two groups with graphs or statistics that are metric-free (i.e., invariant u...

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Bibliographic Details

Online Access:	Full Text (via ERIC)
Main Author:	Ho, Andrew D.
Corporate Author:	University of California, Los Angeles. Center for Research on Evaluation, Standards, and Student Testing
Other Authors:	Haertel, Edward H.
Format:	Electronic eBook
Language:	English
Published:	[Place of publication not identified] : Distributed by ERIC Clearinghouse, 2006.
Subjects:	Testing Programs. Test Results. Comparative Testing. Multidimensional Scaling. Matrices. Statistical Analysis. Graphs. Scoring Rubrics. Item Analysis. National Standards. National Surveys. Measurement Objectives. Multivariate Analysis.