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Cognitive Ability and Non-Ability Trait Determinants of Expertise

School of Psychology, Georgia Institute of Technology, Mail Code 0170, 654 Cherry Street, Atlanta, GA 30332-0170; phillip.ackerman{at}psych.gatech.edu. His interests include cognitive abilities, adult intellectual development, and determinants of individual and gender differences in academic performance

Traditional approaches to understanding individual differences determinants of domain-specific expertise have focused on individual trait components, such as ability or topic interest. In contrast, trait complex approaches consider whether combinations of cognitive, affective, and conative traits are particularly facilitative or impeding of the development of domain knowledge. This article reviews an investment theory and empirical research concerning a relatively small set of trait complexes that appear to be instrumental correlates of both individual and group differences in expertise across several academic domains. Implications for academic counseling and instructional interventions are discussed.

Educational Researcher, Vol. 32, No. 8, 15-20 (2003)
DOI: 10.3102/0013189X032008015


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