“…In a programmatic effort to understand the relationship of aptitudes to job performance, a number of studies (Fox, Taylor, & Caylor, 1969;Vineberg, Sticht, Taylor, & Caylor, 1971;Vineberg & Taylor, 1972;Vineberg, Taylor, & Caylor, 1970;and Vineberg, Taylor, & Sticht, 1970) examined the relationship between aptitude groupings based on the AFQT (three levels -high, medium, and low aptitude) and three criteria of job performance (supervisor ratings, job sample tests, and job knowledge tests). Table 18 presents correlations for two aptiwude levels, CAT IV and non-CAT IV aptitude groups, from Vineberg and Taylor (1972).…”