8 stages of human development:
1. Trust vs Mistrust - occurs in the first year of life
2. Autonomy vs Shame and Doubt - occurs in the first three years
3. Initiative vs Guilt - 3-5 years old, where responsibility is developed
4. Industry vs Inferiority - knowledge and skills are developed
5. Identity vs Confusion - finding who they are, what they are, and what they want
6. Intimacy vs Isolation - occurs early adulthood
7. Generativity vs Stagnation - occurs during middle adulthood
8. Integrity vs Despair - focuses on self-reflection on important events of their lives