Saylor URL: http://www.saylor.org/books Saylor.org
[31] van den Boom, D. C. (1994). The influence of temperament and mothering on attachment and exploration: An
experimental manipulation of sensitive responsiveness among lower-class mothers with irritable infants. Child Development,
65 (5), 1457–1476.
[32] Gillath, O., Shaver, P. R., Baek, J.-M., & Chun, D. S. (2008). Genetic correlates of adult attachment style. Personality and
Social Psychology Bulletin, 34(10), 1396–1405; Seifer, R., Schiller, M., Sameroff, A. J., Resnick, S., & Riordan, K. (1996).
Attachment, maternal sensitivity, and infant temperament during the first year of life. Developmental Psychology, 32(1), 12–25.
[33] Cassidy, J. E., & Shaver, P. R. E. (1999). Handbook of attachment: Theory, research, and clinical applications. New York, NY:
Guilford Press.
[34] Waters, E., Merrick, S., Treboux, D., Crowell, J., & Albersheim, L. (2000). Attachment security in infancy and early
adulthood: A twenty-year longitudinal study. Child Development, 71(3), 684–689.
[35] Lucas-Thompson, R., & Clarke-Stewart, K. A. (2007). Forecasting friendship: How marital quality, maternal mood, and
attachment security are linked to children’s peer relationships. Journal of Applied Developmental Psychology, 28(5–6), 499–514.
[36] Carlson, E. A., Sroufe, L. A., & Egeland, B. (2004). The construction of experience: A longitudinal study of representation
and behavior. Child Development, 75(1), 66–83.
[37] Jang, K. L., Livesley, W. A., & Vernon, P. A. (1996). The genetic basis of personality at different ages: A cross-sectional twin
study. Personality and Individual Differences, 21, 299–301.
[38] Jang, K. L., Livesley, W. A., & Vernon, P. A. (1996). The genetic basis of personality at different ages: A cross-sectional twin
study. Personality and Individual Differences, 21, 299–301.
6.3 Adolescence: Developing Independence and Identity
LEARNING OBJECTIVES
- Summarize the physical and cognitive changes that occur for boys and girls during adolescence.
- Explain how adolescents develop a sense of morality and of self-identity.
Adolescence is defined as the years between the onset of puberty and the beginning of adulthood.
In the past, when people were likely to marry in their early 20s or younger, this period might
have lasted only 10 years or less—starting roughly between ages 12 and 13 and ending by age
20, at which time the child got a job or went to work on the family farm, married, and started his
or her own family. Today, children mature more slowly, move away from home at later ages, and
maintain ties with their parents longer. For instance, children may go away to college but still