Oral Stage (0-18 months)

• Main source of pleasure is the mouth
• Sucking and rooting reflexes very important
• Fixation in this stage can cause problems eating, drinking, biting nails or talking to much/too little

Anal Stage (ages 1-3)

• Major conflict is potty training
• Fixation in this stage can caues one of two responses:
• Anal retentitive: OCD, neat (caused by parent being too particular during toilet training)
• Anal expulsive: messy, good-hearted (caused by parent being too lenient about toilet training)

Phallic Stage (ages 3-6)

• Oedipus/Electra complex
• Child becomes close to parent of same gender

Latency Stage (ages 7-11)

• libido interests supressed
• develop relationships with same gender
• "cootie phase"

Genital Stage (adolescence)

• develop interest in opposite gender

Sensorimotor (birth-2)

-acquire symbolic thought and object permanence 

Preoperational (2-7)

-learn reasoning, conservation, centering

-overcome egocentrism

Concrete Operational (7-11)

-develop reversibliity

-can concentrate on multiple aspects of a problem (called decentration)

Formal Operational (11-adult)

-understand abstrations

-can speculate from hypothetical to real

Pre-Conventional

1. Punishment and Obedience

-"How can I avoid being punished?"

2. Self-interest

-"How can I benefit from this?"

Conventional

3. Interpersonal expectations

-"How do people expect me to act?"

-Also called "good boy/good girl" stage

4. Law and Order

-"There is a reason for laws so I should not break them.  Everyone can't go around breaking laws!"

Post-Conventional

5. Social Contract

-"What is the greater good here?"

6. Universal Ethical Principles

-"What do my beliefs say about this situation?"