Compléter Stages of developmentVersion en ligne Questions about Piaget, Erikson and Kohlberg par Ignacio Fernandez 1 intellectual development psychosocial personality conventional crisis judgment development moral blueprint The Piaget stages of development is a that describes the stages of normal , from infancy through adulthood . Erikson maintained that develops in a predetermined order through eight stages of , from infancy to adulthood . During each stage , the person experiences a psychosocial which could have a positive or negative outcome for personality development . Kohlberg decided to study the topic of , extending Jean Piaget's account of children's moral development . He identified three distinct levels of moral reasoning : pre - conventional , , and post - conventional . Each level has two sub - stages .
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