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Haebara, Tomokazu – 1980
This study develops a weighted least squares method for transforming a logistic scale in such a way that the estimates of ability parameters on the tranformed scale are as comparable as possible with those on another scale. This scale tranformation process is referred to as equating of scales. Equating is an important procedure in studies…
Descriptors: Achievement Tests, Discriminant Analysis, Equated Scores, Goodness of Fit
