... . Psychology Today, 60, 62-64. Santrock, J.W. (1997). The science of life-span development (6th ed.). Sydney: Brown & Benchmark. Schultz, D. & Schultz, S.E. (1994). Theories of personality (5th ed.). Pacific Grove, CA: Brooks/Cole. ...

• Word Count: 1584
• Approx Pages: 6
• Grade Level: Undergraduate