The aptitude scores of 70 physicians in various areas of practice who were tested between 1934 and 1971 were compared with aptitude battery scores obtained by the general population of Johnson O'Connor Research Foundation examinees. For each aptitude test, obtained-score distributions were produced for the time periods of pre-1941, 1941-45, and…

As a consequence of a validation study based on over 200 skilled technicians employed in engine manufacturing, seven aptitude tests were administered to 50 applicants in June 1982. This report presents correlations between test scores and three criteria (math grades, job performance ratings, and a composite) for the 26 people who entered the…

A study examined the relationship of aptitudes to the performance of skilled technical jobs in engine manufacturing. During the study, several approaches were utilized, including criterion-referenced validation, taxonomic validation, construct validation, and detailed anlaysis of the behaviors involved in performing the jobs. The study sample…