Cognitive and Psychomotor Abilities: A Further Investigation of Their Relationship.
Interim rept. Feb-Mar 96.
ARMSTRONG LAB BROOKS AFB TX COGNITIVE AND PERFORMANCE DIV
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A study was conducted to expand our understanding of the relationship between cognitive and psychomotor abilities. The tests were administered as might occur in personnel selection and classification. A paper-and-pencil multiple aptitude battery and a wide-ranging, computer-based psychomotor test battery were administered to 429 male and female military recruits. A confirmatory factor analysis yielded the higher order factors of general cognitive ability g and psychomotor I technical knowledge PMtFK. The PMTK factor was interpreted as representing Vernons 1969 practical factor km see P.E. Vernon, Intelli ence and Cultural Environmen London Methuen. In the joint analysis of these two batteries, g and PMTK each accounted for about 31 of the common variance. No residualized lower order factor accounted for more than 7. The higher order PMTK factor influenced a broad range of lower order psychomotor factors.
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