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Peer reviewedPowers, Stephen; Crowder, Christopher – Educational and Psychological Measurement, 1982
The factorial structure of the California Achievement Test subtests appears to consist of only one common factor in each grade. This study indicates that there is considerable overlap among the subtests and that there is minimal support for the use of subtest scores as measures of independent constructs. (Author/PN)
Descriptors: Achievement Tests, Elementary Education, Factor Analysis, Factor Structure
Download full textAtlanta Public Schools, GA. Div. of Research, Evaluation, and Data Processing. – 1982
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…
Descriptors: Achievement Tests, Elementary Secondary Education, Equated Scores, Mathematics Achievement
Jones, Eric D.; And Others – 1983
The purpose of this study was to evaluate the utility of out-of-level testing (OLT) when it is applied to the assessment of special education students with mild learning handicaps. This evaluation of OLT involved testing hypotheses related to: (1) the adequacy of vertical scaling, (2) the reliability and (3) the validity of OLT scores. Fifty-eight…
Descriptors: Educational Diagnosis, Error of Measurement, Guessing (Tests), Intermediate Grades
