1. Physical
1.1. Nature
1.1.1. Genetics
1.1.2. Heredity
1.2. Nurture
1.2.1. Genie Wiley
1.2.2. Twin Studies
1.2.2.1. Monozygotic Twins
1.2.2.2. Dyzigotic Twins
1.2.3. Adoption Study
1.2.4. Sensitive & Critical Periods
1.2.4.1. Maturation
1.2.4.1.1. Principle of Readiness
1.2.5. Environment
2. Emotional
2.1. Mary Ainsworth
2.1.1. Strange Situation
2.1.1.1. Secure Attachment
2.1.1.2. Insecure Resistant Attachment
2.1.1.3. Insecure Avoidant Attachment
2.2. Harry Harlow
2.3. Attachment
2.3.1. Imprinting
3. Cognitive
3.1. Piaget's Theory
3.1.1. Sensori-motor Stage
3.1.1.1. Object Permanence
3.1.1.2. Goal Directed Behaviour
3.1.2. Pre-Operational
3.1.2.1. Decentred
3.1.2.2. Animism
3.1.2.3. Transformation
3.1.2.4. Centration
3.1.2.5. Reversibility
3.1.3. Concrete Operational
3.1.3.1. Conservation
3.1.3.2. Classification
3.1.4. Formal Operational
3.1.4.1. Abstract Concepts/Idealistic Thinking
3.1.4.1.1. Algebra
3.1.4.1.2. Theological Concepts
3.1.4.1.3. Philosophical Concepts
3.2. Piaget's Concepts
3.2.1. Assimilation
3.2.2. Accomodation
3.2.3. Schema
3.2.4. Adaptation
3.3. Adaptation
4. Social
4.1. Erikson's Theory
4.1.1. Psychosocail Crises
4.1.1.1. Basic Trust vs Mistrust
4.1.1.2. Autonomy vs Shame & Doubt
4.1.1.3. Initiative vs Guilt
4.1.1.4. Industry vs Inferiority
4.1.1.5. Identity vs Role Confusion
4.1.1.6. Intimacy vs Isolation
4.1.1.7. Generativity vs Stagnation
4.1.1.8. Ego-Integrity vs Despair