Large-scale testing programs often require multiple forms to maintain test security over time or to enable the measurement of change without repeating the identical questions. The comparability of scores across forms is consequential: Students are admitted to colleges based on their test scores, and the meaning of a given scale score one year …

Specific recommendations are made concerning the circumstances under which the benefits of out-of-level testing outweigh the problems associated with it. Topics explored are: various methods for deciding when a set of test scores is invalid and the utility of these methods for local evaluators, the accuracy of vertical scaling, and the usefulness…

This document reports on the procedures and results of the Atlanta Public Schools (APS) testing program in changing from the Iowa Tests of Basic Skills (ITBS), administered to grades 1 through 7 from 1973-79, to the California Achievement Tests (CAT), Form C, administered in Spring 1980 to provide a continuous testing program from the elementary…

This collection explores the theory and applications of educational testing. It is divided into sections on theory and general principles of educational measurement, administration of tests and scoring, and applications of testing. The following chapters present information on test theory and use: (1) "Current Perspectives and Future…