Author's note on "Recurrent personality factors based on trait ratings".
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Humans↗
Biomedical subjects
R E Christal
Publications and source records attributed to R E Christal.
Recurrent personality factors based on trait ratings.
Intercorrelations among ratings on 35 personality traits, selected as representative of the personality domain, were obtained for eight samples. These samples differed in length of acquaintanceship from 3 days to more than a year; in kind of acquaintanceship from assessment programs in a military training course to a fraternity house situation; in type of subject from airmen with only a high-school education to male and female undergraduate students to first-year graduate students; and in type of rater from very naive persons to clinical psychologists and psychiatrists with years of experience in the evaluation of personality. Centroid or multiple-group factors were extracted and rotated orthogonally to simple structure. For one study, an independent solution was obtained in which analytic rotations were accomplished on an IBM 650 computer using Kaiser's normal varimax criterion. Five fairly strong and recurrent factors emerged from each analysis, labeled as (a) Surgency, (b) Agreeableness, (c) Dependability, (d) Emotional Stability, and (e) Culture.
Adult↗
Theory-based ability measurement: the learning abilities measurement program.
This paper briefly describes the U.S. Air Force Learning Abilities Measurement Program (LAMP), which is devoted to the development of a science-based system of ability measurement. A short history is given of ability testing and research in the military services, along with a statement of the value of ability testing for making personnel selection and classification decisions. Although few advances in ability measurement have been made in the last two decades, the present availability of micro-computers and recent progress in our understanding of human cognition create possibilities for a major breakthrough in the state-of-the-art. Examples are provided of recent LAMP studies on processing speed and processing capacity which hold promise for forecasting individual differences in learning efficiency, performance capabilities, and susceptibility to information overload. Also discussed is a program which encourages university scientists working toward the same goals to make use of U.S. Air Force subjects and testing facilities.
Aptitude Tests↗