For 10 points, what general type of process progresses in stages according to Erik Erikson's psychosocial theory and Lawrence Kohlberg's moral theory?
In a theory developed by Lev Vygotsky, the ability of a child to learn unaided goes through a form of this process. A dilemma about a man who considers stealing a life-saving drug is frequently employed in studying a person's progress in another form of this process. In one theory of this process, people must resolve existential difficulties that culminate in such events as the (*)  identity crisis and midlife crisis. A Jean Piaget theory asserts that assimilation, equilibration, and accommodation moves this process along through phases termed sensorimotor, preoperational, concrete operational, and formal operational. For 10 points, what general type of process progresses in stages according to Erik Erikson's psychosocial theory and Lawrence Kohlberg's moral theory?
In a theory developed by Lev Vygotsky, the ability of a child to learn unaided goes through a form of this process.
development  [accept  proximal development  or  cognitive development  or  psychosocial development  or  moral development ; accept answers like  stages of development ]