References 83Sham, P. C., Sterne, A., Purcell, S., Cherny, S., Webster, M.,
Rijsdijk, F., Asherson, P., Ball, D., Craig, I., Eley, T., Goldberg,
D., Gray, J., Mann, A., Owen, M., & Plomin, R. (2001). Genesis:
Creating a composite index of the vulnerability to anxiety and
depression in a community-based sample of siblings. Twin
Research, 3,316–322.
Shweder, R. A. (1975). How relevant is an individual difference the-
ory of personality? Journal of Personality, 43,455–484.
Simpson, C. G. (1961). Principles of animal taxonomy.New York:
Columbia University Press.
Tellegen, A. (1982). Brief manual for the Differential Personality
Questionnaire. Unpublished manuscript, University of Min-
nesota, Minneapolis.
Tellegen, A. (1985). Structures of mood and personality and their
relevance to assessing anxiety with an emphasis on self-report.
In A. H. Tuma & J. D. Maser (Eds.), Anxiety and the anxiety dis-
orders (pp. 681–706). Hillsdale, NJ: Erlbaum.
Thomis, M. A., Vlietnick, R. F., Maes, H. H., Limkie, C. J., van
Leemputte, M., Claessens, A. L., Marchal, G., & Beunen, G. P.
(2000). Predictive power of individual genetic and environmen-
tal factor scores. Twin Research, 3,99–108.
Turkheimer, E. (1998). Heritability and biological explanation. Psy-
chological Review, 105,782–791.
Turkheimer, E., & Waldron, M. (2000). Nonshared environment: A
theoretical, methodological, and quantitative review. Psycholog-
ical Bulletin, 126,78–108.
Vandenbergh, D. J., Zonderman, A. B., Wang, J., Uhl, G. R., &
Costa, P. T. (1997). No association between Novelty Seeking and
dopamine D4 receptor (DRD4) exon III seven repeat alleles in
Baltimore Longitudinal Study of aging participants. Molecular
Psychiatry, 2,417–419.
Vernon, P. A., Lee, D., Harris, J. A., & Jang, K. L. (1996). Genetic
and environmental contributions to individual differences in
alcohol expectancies. Personality and Individual Differences,
21,183–187.
Waller, N. G., & Shaver, P. R. (1994). The importance of nongenetic
influences on romantic love styles: A twin-family study. Psycho-
logical Science, 5,268–274.
Watson, D., & Clark, L. A. (1997). Extraversion and its positive
emotional core. In R. Hogan & J. A. Johnson (Eds.), Handbook
of personality psychology(pp. 767–793). San Diego, CA: Acad-
emic Press.
Widiger, T. A. (1993). The DSM-III-R categorical personality disor-
der diagnoses: A critique and alternative. Psychological Inquiry,
4,75–90.
Wiggins, J. S. (1979). A psychological taxonomy of trait-descriptive
terms: The interpersonal domain. Journal of Personality and
Social Psychology, 37,395–412.
Zuckerman, M. (1991). Psychobiology of personality.Cambridge,
England: University of Cambridge Press.
Zuckerman, M. (1994). An alternative five-factor model for person-
ality. In C. F. Halverson, Jr. & G. A. Kohnstamm (Eds.), The
developing structure of temperament and personality from
infancy to adulthood (pp. 53–68). Hillsdale, NJ: Lawrence
Erlbaum.
Zuckerman, M. (1995). Good and bad humors: Biochemical bases
of personality and its disorders. Psychological Science, 6,
325–332.
Zuckerman, M. (1999). Vulnerability to psychopathology: A
biosocial model. Washington, DC: American Psychological
Association.
Zuckerman, M., Kuhlman, D. M., Joireman, J., Teta, P., & Kraft,
M. (1993). A comparison of three structural models for per-
sonality: The Big Three, the Big Five, and the Alternative
Five. Journal of Personality and Social Psychology, 65,
757–768.