The Fullerton Longitudinal Study examines the course of development for intellectually and motivationally gifted children across a breadth of developmental domains including academic, cognitive, self-perceptions, temperament, behavioral, social, family/environmental processes, and adult educational achievement. Major findings regarding these two distinct dimensions of giftedness are presented, with some implications for practice and directions for future research.
Gottfried, A. W., Gottfried, A. E., & Guerin, D. W. (2006). The Fullerton longitudinal study: A long-term investigation of intellectual and motivational giftedness. Journal for the Education of the Gifted, 29(4), 430-450. Waco, TX: Prufrock Press Inc. https://files.eric.ed.gov/fulltext/EJ746291.pdf