quantitative and clinical methods.Journal of Personality and Social
Psychology, 59,1279–1286.
Vondracek, F. W., Lerner, R. M., & Schulenberg, J. E. (1986). Career devel-
opment: A life-span developmental approach.Hillsdale, NJ: Erlbaum.
Vondracek, F. W., & Porfeli, E. (in press). Life-span developmental per-
spectives on adult career development: Recent advances. In S. G.
Niles (Ed.),Adult career development: Concepts, issues, and practices
(3rd ed.). Alexandria, VA: National Career Development.
Watkins, E., & Savickas, M. L. (1990). Psychodynamic career counsel-
ing. In B. Walsh & S. Osipow (Eds.), Career counseling: Contemporary
topics in vocational psychology(pp. 79–116). Hillsdale, NJ: Erlbaum.
Watts, A. G. (in press). Career education for young people: Rational and
provision in the U.K. and other European countries. International
Journal of Educational and Vocational Guidance.
Williams, C. P., & Savickas, M. L. (1990). Developmental tasks of career
maintenance.Journal of Vocational Behavior, 36,166–175.
A DEVELOPMENTAL THEORY OF VOCATIONAL BEHAVIOR 205