A battery of 11 nonverbal tests were administered to a sample of 2,362 non-prior service enlistees who had been selected to one of seven technical schools. The usefulness of additional aptitudinal and educational data was also investigated. The number of significant relationships between certain nonverbal tests and final technical school grade…

The report summarizes a large body of data relevant to the proper interpretation and use of aptitude scores on the Air Force Officer Qualifying Test (AFOQT). Included are descriptions of the AFOQT testing program and the test itself. Technical data include an extensive sampling of validation studies covering predictors of success in pilot…

Methodologies were proposed for combining background and aptitude and/or achievement information in an approach to the classification problem using the concept of under- and overachievement. The methodologies were applied to independent samples from four high school curricula. The results suggest that when past achievement and/or aptitudes were…