A Model for Psychometrically Distinguishing Aptitude from Ability.
MINNESOTA UNIV MINNEAPOLIS DEPT OF PSYCHOLOGY
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It is now widely agreed that current ability measures reflect a complex interaction of environment with genetic potential. This leads to a basic measurement problem since persons with the same measured ability may vary widely in potential due to non-equivalent learning opportunities. The purpose of the paper is to present a model which may hold some promise in psychometrically distinguishing ability current status from aptitude potential. Data on a simple ability are analyzed according to the model to illustrate how some of the practical problems may be solved. Author