The discussion here covers five articles that are linked in the sense that they all treat population invariance. This discussion of population invariance is a somewhat broader treatment of the subject than simply a discussion of these five articles. In particular, occasional reference is made to publications other than those in this issue. The…

This article discusses the five studies included in this issue. Each article addressed the same topic, population invariance of equating. They all used data from major standardized testing programs, and they all used essentially the same statistics to evaluate their results, namely, the root mean square difference and root expected mean square…

This program of research has three general thrusts. First, the relations between motivation and achievement performance were studied across children of various sociocultural backgrounds including lower- and middle- class white, black, and hispanic children. Motivational test bias was found to be strong for students of all sociocultural…

Most of the arguments lodged against minimum competency testing are really observations about the abuses of testing. Blacks and other minority groups are understandably mistrustful of recent developments in minimum competency testing--possible grounds for legal challenges include the adequacy of the phase-in periods; the match between tests and…