The KeyMath-3 Diagnostic Assessment (KM-3) is an individually-administered math assessment used in educational placement and diagnostic decisions. It includes 10 subtests making up Basic Concepts, Operations, and Applications indexes and a "Total Test" composite that measures overall math ability. Here, covariances among subtests from…

A study of 331 elementary school children tested the reliability of a computer resident interactive arithmetic test and found high levels of reliability, using single sitting and parallel forms methods. The study also tried to determine the validity of the interactive test by comparing it with arithmetic subtests of the Key Math Test (KMT). (PEN)

The KeyMath Revised is a power test that measures the understanding and application of mathematics skills and concepts. It is individually administered and is intended for students from kindergarten through the ninth grade to determine student mastery of mathematics concepts. The revised version is designed to be user-friendly for the student and…