1. Using stage theories from infancy to adult
2.Learning/Environment/Culture
3.Gentics
4. Operant conditioning
5. Trauma/Accidents
6. Health Related Issues
7. Specific Decade Issues
seven pages
1. Using stage theories from infancy to adult
2.Learning/Environment/Culture
3.Gentics
4. Operant conditioning
5. Trauma/Accidents
6. Health Related Issues
7. Specific Decade Issues
seven pages