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…

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)

Computer adaptive testing systems are feasible for certification and licensure testing. This is in part due to the availability of extensive yet inexpensive computers. Modern item response theory, combined with computerized adaptive testing, yields a powerful new method of testing which provides greater accuracy and efficiency and less boredom for…

Noting that accurate procedures for predicting reading ability in school settings are necessary for a variety of purposes, this paper reviews methods for predicting reading ability and presents a new, more precise model for use at the second grade level. First, the paper defines reading expectancy as an informed estimate of the level of reading…