A procedure for checking the score equivalence of nearly identical editions of a test is described and illustrated with Scholastic Aptitude Test data. The procedure uses the standard error of equating and uses graphical representation of score conversion deviations from the identity function in standard error units. (SLD)

The use of standardized achievement tests as the primary criterion measures in the evaluation of basic skills programs has been criticized. In a comparative study of three types of tests, this article examines the major issue behind this criticism. (Author/JAZ)

This paper describes several situations in which generalization of statistical results is not possible by representative sampling but which is attempted using corrections for selection of groups. The situations include hiring, admissions, differential classification, guidance, test score equating, and test score scaling. Evidence of inaccuracies…