AP Psychology: Unit 6 (Developmental Psychology - PEOPLE)

Jean Piaget

most famous for his 4-stage model of cognitive development

Lev Vygotsky

most famous for social development theory (of child cognitive development)

Konrad Lorenz

Nobel Prize-winning researcher famous for his imprinting studies, and for advocating the study of animals in their natural environments

Harry Harlow

presented infant monkeys with a choice between two artificial mothers; the monkeys preferred the warm, cloth mothers to cold ones with food

Mary Ainsworth

researcher who described attachment styles in infants as measured by the "strange situation" test

Diana Baumrind

researcher who developed a model of parenting styles that included authoritarian, authoritative, and permissive

Lawrence Kohlberg

used moral dilemmas to assess moral thinking in children; most well-known for his description of levels of morality (preconventional, conventional, postconventional)

Jonathan Haidt

countered Kohlberg's theory with "Social Intuitionist" theory; believed we make moral choices based on emotional reactions ("moral feeling") not cold logic

Erik Erikson

famous for his 8-stage model of psychosocial development; neo-Freudian

Carol Gilligan

moral development studies to follow up Kohlberg. She studied girls and women and found that they did not score as high on his six stage scale because they focused more on relationships rather than laws and principles. Their reasoning was merely different, not better or worse