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Statistics - Social Sciences & Law | Test Equating, Scaling, and Linking - Methods and Practices

Test Equating, Scaling, and Linking

Methods and Practices

Kolen, Michael J., Brennan, Robert L.

Originally published in the series: Springer Series in Statistics

3rd ed. 2014, XXVI, 566 p. 68 illus.

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  • Fully revised after the success of two previous editions
  • A unique emphasis on data collection designs and statistical methodology aids in consideration of test equation methods in standardized tests
  • Features implications important for researchers and policy makers in education, psychology and statistics

This book provides an introduction to test equating, scaling, and linking, including those concepts and practical issues that are critical for developers and all other testing professionals.  In addition to statistical procedures, successful equating, scaling, and linking involves many aspects of testing, including procedures to develop tests, to administer and score tests, and to interpret scores earned on tests. Test equating methods are used with many standardized tests in education and psychology to ensure that scores from multiple test forms can be used interchangeably.  Test scaling is the process of developing score scales that are used when scores on standardized tests are reported. In test linking, scores from two or more tests are related to one another. Linking has received much recent attention, due largely to investigations of linking similarly named tests from different test publishers or tests constructed for different purposes. In recent years, researchers from the education, psychology, and statistics communities have contributed to the rapidly growing statistical and psychometric methodologies used in test equating, scaling, and linking. In addition to the literature covered in previous editions, this new edition presents coverage of significant recent research.

In order to assist researchers, advanced graduate students and testing professionals, examples are used frequently, and conceptual issues are stressed. New material includes model determination in log-linear smoothing, in-depth presentation of chained linear and equipercentile equating, equating criteria, test scoring, and a new section on scores for mixed-format tests. In the third edition, each chapter contains a reference list, rather than having a single reference list at the end of the volume 

The themes of the third edition include:

* the purposes of equating, scaling and linking and their practical context

* data collection designs

* statistical methodology

* designing reasonable and useful equating, scaling, and linking studies

* importance of test development and quality control processes to equating

* equating error, and the underlying statistical assumptions for equating

Content Level » Research

Keywords » Equating Designs - Equating and Scaling in Practice - Errors of Equating - Item Response Theory Methods - Random Groups Design - Score Scales

Related subjects » Education & Language - Psychology - Social Sciences & Law

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