This dataset contains scores for two forms of a 36-item test administered under a nonequivalent groups with anchor test design. The anchor test is internal and consists of twelve items taken by both groups of examinees. The data is distributed as part of the equating software CIPE (see link below), and additional examples using this dataset are presented in Test Equating, Scaling, and Linking (Kolen and Brennan, 2004).
A list of length two, where each element (
contains two columns of data, one for the total score and another for the
anchor test score for each examinee.
Kolen, M. J., & Brennan, R. L. (2004). Test Equating, Scaling, and Linking. (2nd ed.), New York: Springer.
The dataset can be downloaded as part of the CIPE software, available at the following link: https://education.uiowa.edu/centers/casma
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