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Download full textLivingston, Samuel A. – 1993
Kernel equating is a method of equating test scores devised by P. W. Holland and D. T. Thayer (1989). It takes its name from kernel smoothing, a process of smoothing a function by replacing each discrete value with a frequency distribution. It can be used when scores on two forms of a test are to be equated directly or when they are to be equated…
Descriptors: Equated Scores, High School Students, High Schools, Sample Size
Peer reviewedLivingston, 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
