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Watts, Fraser N.; Everitt, Brian S. – Journal of Clinical Psychology, 1980
The pattern of correlations between subtests suggests that several of the aptitudes are of doubtful validity. In no case was it possible to extract more than three adequately determined factors. (Author)
Descriptors: Aptitude Tests, Factor Analysis, Predictive Measurement, Test Construction
Shaw, James B.; McCormick, Ernest J. – 1976
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…
Descriptors: Ability, Cognitive Tests, Factor Analysis, Job Analysis