This report examines the construct validity of the Ball Aptitude Battery (BAB), a multiple ability test battery designed to measure aptitudes related to successful work behavior. Construct validation has focused attention on the role of psychological theory and on the need to formulate hypotheses that can be examined in the validation process.…

Differential Aptitude Test (DAT) scores of 2,622 students who were tested in the 8th, 9th, or 10th grades and who later entered a Minnesota area vocational-technical school were analyzed to determine the relationships between test scores and training program entered. Results are presented. (Author)

This study was part of a longitudinal research project to establish the validity of the Ball Aptitude Battery (BAB) relative to various academic criteria. The BAB is a multiple ability test battery of specific work skills for use in career counseling. Previous research has demonstrated that adequate validity coefficients exist for both job…

To improve vocational rehabilitation programs for schizophrenic persons, a project sought to design an effective assessment strategy. Inactive records of schizophrenic clients at New Jersey sheltered workshops were examined to determine validity and reliability of assessment instruments being used. General Aptitude Test Battery (GATB) profiles of…

An overview of the development of a computerized version of the Differential Aptitude Tests (DAT) is presented. It describes the previously existing printed version of the DAT, design of the computerized adaptive edition, calibration of the test items for use in the computerized version, and two field studies that compared the Adaptive and…