The study was directed towards the further exploration of the use of attribute ratings as the basis for establishing the job component validity of tests, in particular by using different methods of combining "attribute-based" data with "job analysis" data to form estimates of the aptitude requirements of jobs. The primary focus…

These measurement tests were developed or selected for use in a study of job performance prediction for Negro and white medical technicians. The aptitude tests used were selected from those available rather than developed for this study. These included the Kit of Reference Tests for Cognitive Behavior, the Fine Finger Dexterity Test, and the…

A total of 168 Negro and 296 white Medical Technicians participated in this study. A nine-scale performance rating form was developed and administered. Every technician was rated by at least two supervisors. A test of job knowledge was also given to all subjects. Among the correlations found were: (1) Negro workers received distinctly higher…