Adams, G. R. , & Fitch, S. A. (1983). Psychological environments of university departments: Effects on college students' identity status and ego stage development. Journal of Personality and Social Psychology, 44, 1266-1275.
2.
Costa, M. E. , & Campos, B. P. (1989, July). University area of study and identity development: A longitudinal study. Paper presented at the biennial meeting of the Society for the Study of Behavioral Development, Jyvaskyla, Finland.
3.
Erikson, E. H. (1963). Childhood and society. New York: Norton.
4.
Erikson, E. H. (1964). Insight and responsibility. New York: Norton.
5.
Erikson, E. H. (1968). Identity, youth, and crisis. New York: Norton.
6.
Erikson, E. H. (1975). Life history and the historical moment. New York: Norton.
7.
Kroger, J. (1993). Identity and context: How the identity statuses choose their match. In R. Josselson & A. Lieblich (Eds.), The narrative study of lives. Newbury Park, CA: Sage.
8.
Levine, J. B. , Green, C. J., & Millon, T. (1986). Separation-individuation test of adolescence. Journal of Personality Assessment, 50, 123-137.
9.
Loevinger, J. (1976). Ego development. San Francisco: Jossey-Bass.
10.
Marcia, J. E. (1966). Development and validation of ego identity status. Journal of Psychology and Social Psychology, 3, 551-558.
11.
Marcia, J. E. (1980). Identity in adolescence. In J. Adelson (Ed.), Handbook of adolescent psychology. New York: Wiley.
12.
Marcia, J. E. (1989). Identity diffusion differentiated. In M. A. Luszez & T. Nettelbeck (Eds.), Psychological development: Perspectives across the life-span. North-Holland: Elsevier Science.
13.
Marcia, J. E. , Waterman, A. S., Matteson, D. R., Archer, S. L., & Orlofsky, J. L. (in press). Ego identity: A handbook for psychosocial research. New York: Springer-Verlag.
14.
Matteson, D. R. (1977). Exploration and commitment: Sex differences and methodological problems in the use of identity status categories. Journal of Youth and Adolescence, 6, 353-374.
