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Small-Sample Equating with Log-Linear Smoothing.
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Livingston, Samuel A. – Journal of Educational Measurement, 1993
The extent to which log-linear smoothing could improve the accuracy of common-item equating by the chained equipercentile method in small samples of examinees was investigated with responses from a 100-item test and 93,283 examinees. Smoothing reduced the sample size required for a given degree of accuracy. (SLD)
Descriptors: Advanced Placement Programs, Equated Scores, Estimation (Mathematics), High School Students
Small-Sample Equating with Log-Linear Smoothing.
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Livingston, Samuel A. – 1992
This study investigated the extent to which log-linear smoothing could improve the accuracy of common-item equating by the chained equipercentile method in small samples of examinees. Examinee response data from a 100-item test (the Advanced Placement Examination in United States History) were used to create two overlapping forms of 58 items each,…
Descriptors: Advanced Placement Programs, College Entrance Examinations, Equated Scores, High School Students