* Pengaruh kuat dari lingkungan sosial dan budaya
* Pembelajaran melalui observasi dan peniruan
* Fluktuasi emosi dan mood
Footnotes
[1] Erikson, E. H. (1968). Identity: Youth and crisis. New York: Norton.
[2] Piaget, J. (1972). Intellectual evolution from adolescence to adulthood. Human Development, 15(1), 1-12.
[3] Kohlberg, L. (1981). Essays on moral development: The philosophy of moral development. San Francisco: Harper & Row.
[4] Marcia, J. E. (1966). Development and validation of ego-identity status. Journal of Personality and Social Psychology, 3(5), 551-558.
[5] Bronfenbrenner, U. (1979). The ecology of human development. Cambridge, MA: Harvard University Press.
[6] Bandura, A. (1977). Social learning theory. Englewood Cliffs, NJ: Prentice Hall.
[7] Petersen, A. C., & Taylor, B. (1980). The biological approach to adolescence. In J. Adelson (Ed.), Handbook of adolescent psychology. New York: Wiley.
