Developmental stages

Developmental stages


The four main developmental models you need to be aware of are:-

  • Freud's theory of psychosexual development
  • Erikson's theory of psychosocial development
  • Piaget's theory of cognitive development
  • Kohlberg's theory of moral development

Freud's stages of psychosexual development

StageAge range
Oral0-1 years
Anal1-3 years
Phallic3-5 years
Latency5-12 years
Genital12 and onwards

Erikson's stages of psychosocial development

StageAgeVirtue
Trust vs. mistrust0-1 yearHope
Autonomy vs. shame1-3 yearsWill
Initiative vs. guilt3-5 yearsPurpose
Industry vs. inferiority5-12 yearsCompetence
Identity vs. role confusion12-19 yearsFidelity
Intimacy vs. isolation19-35 yearsLove
Generativity vs. stagnation35-65 yearsCare
Integrity vs. despair65 and onwardsWisdom

Kohlberg's stages of moral development (Colby 2011)

StageAge
Preconventional0-9 years
Conventional9-20 years
Postconventional20 and onwards

Piaget's stages of cognitive development

StageAge
Sensorimotor0-2 years
Preoperational2-7 years
Concrete operational7-11 years
Formal operational11 and onwards

Colby A (2011) The Measurement of Moral Judgment, Volume 1. Cambridge University Press, 17 Feb, p.140.