Coventional true score approaches to criterion-referenced tests are not applicable when tests are used for classification. Criterion-referenced testing is now used frequently for educational decision making. The assumption is made that these instruments are to be considered as tests designed to classify into "mastery" and "non-mastery" groups,…

The Wechsler Individual Achievement Test assesses achievement in students in grades K-12, with subtests in reading, mathematics reasoning, spelling, reading comprehension, numerical operations, listening comprehension, oral expression, and written expression. The test was developed to assist in identification of students with learning…

Discrepancies between the K-ABC and its theoretical base of simultaneous and sequential mental processing; technical and design problems related to disproportionate subtest contributions of the Simultaneous Scale to the Mental Processing Composite; the method of subtest-specific variance computation and use in interpretation; and utility with…

Student test scores are increasingly used to judge the competence of the educational enterprise. Exaggeration of scores is the result of directing attention away from the individual student achievement to the average scores of schools, districts, and states. Implications and recommendations are discussed. (BJV)

This study investigated the "customization" of a standardized achievement test to measure the effect on group and individual scores. "Customization" refers to the modification of an existing test to more closely match test specifications of the entity using the test, usually a state or large school district. Results of an…