Freud’s Psychosexual Development Theory: Age 0-2 years
Oral: Pleasure source is the mouth (sucking, biting, swallowing). Conflict is weaning away from mother’s breast.
Freud’s Psychosexual Development Theory: Age 2-4 years
Anal: Pleasure source is the anus (defecating or retaining feces). Conflict is toilet training.
Freud’s Psychosexual Development Theory: Age 4-5 years
Phallic: Pleasure source is the genitals. Conflict involves Oedipus (boys) and Electra (girls).
Freud’s Psychosexual Development Theory: Age 6 to puberty
Latency: Sexual urges are sublimated into sports and hobbies. Same-sex friends help avoid sexual feelings.
Freud’s Psychosexual Development Theory: Puberty onwards
Genital: Physical sexual changes reawaken repressed needs. Direct sexual feelings towards others lead to sexual gratification.
Erikson’s Stages of Psychosocial Development: Birth to 1 year
Trust vs. mistrust: Babies learn to trust or mistrust that others will care for their basic needs.
Erikson’s Stages of Psychosocial Development: 1-3 years
Autonomy vs. shame and doubt: Children learn to be self-sufficient or to doubt their own abilities.
Erikson’s Stages of Psychosocial Development: 3-5 years
Initiative vs. guilt: Children want to undertake adult-like activities and may feel guilty for overstepping limits.
Erikson’s Stages of Psychosocial Development: 6-11 years
Industry vs. inferiority: Children learn to be competent and productive or feel inferior.
Erikson’s Stages of Psychosocial Development: 12-18 years
Identity vs. role confusion: Adolescents try to figure out ‘Who Am I?’ and establish identities.
Erikson’s Stages of Psychosocial Development: 19-35 years
Intimacy vs. isolation: Young adults seek companionship and love or become isolated.
Erikson’s Stages of Psychosocial Development: 35-50 years
Generativity vs. stagnation: Middle-aged adults are productive or become stagnant.
Erikson’s Stages of Psychosocial Development: 50+ years
Integrity vs. despair: Older adults seek to make sense of their lives or despair at unachieved goals.
Piaget’s Theory of Cognitive Development: Sensory-motor stage (Birth-2 yrs)
Characterised by differentiating self from objects and achieving object permanence.
Piaget’s Theory of Cognitive Development: Pre-operational stage (2-7 years)
Characterised by egocentric thinking and classifying objects by a single feature.
Piaget’s Theory of Cognitive Development: Concrete operational stage (7-11 years)
Characterised by logical thinking about objects and events, achieving conservation of number, mass, and weight.
Piaget’s Theory of Cognitive Development: Formal operational stage (11 years and up)
Characterised by logical thinking about abstract propositions and testing hypotheses systematically.
Havinghurst’s Theory of Adult Development: Early adulthood
Finding a mate, having children, managing a home, and starting a profession.
Havinghurst’s Theory of Adult Development: Middle adulthood
Achieving civic and social responsibility, economic stability, and raising teenagers.