Investigating age differences in the genetic and environmental structure of the Tridimensional Personality Questionnaire in later adulthood

Heiman, N., Stallings, M. C., Hewitt, J. K., & Hofer, S. M. (2003). Investigating age differences in the genetic and environmental structure of the Tridimensional Personality Questionnaire in later adulthood. Behavior Genetics, 33, 171-180.