Ten tables present equivalent scores between the 1978 Metropolitan Achievement Tests and the 1973 Stanford Achievement Test in terms of grade equivalent (GE) scores. These data were derived empirically by administering the two tests to two groups of students matched in terms of Otis-Lennon Mental Ability Test scores. Equivalent GEs were determined…

Norm-referenced standardized achievement tests are designed for obtaining group scores which can vary widely, depending on not only the measure of central tendency but also the type of derived score employed. This situation is hypothesized to be the result of using inappropriate statistical procedures to develop publishers' scaled scores.…

The adequacy of using a combination of criterion-scaled non-school variables to predict achievement score means of schools is discussed. Non-school data gathered on eighth-grade students were criterion-scaled, using the total score of the Metropolitan Achievement Test. Eight non-school category scores and actual achievement scores of selected…