Answer:
Erik Erikson, the German child psychologist who settled in the United States in the 1930s, came up with the eight psychosocial/emotional stages of development that cover a lifetime. He is also credited with formulating the concept of the adolescent identity crisis.
Lawrence Kohlberg, an American psychologist who pioneered the study of moral development in the 1950s, posited that moral reasoning developed through three levels and six stages. Kohlberg believed that progression from one level to the next proceeded in a gradual fashion. He also acknowledged that the last stage was essentially a theoretical ideal that is rarely encountered in real life. He asserted that most adult Americans operate at Level 2, Conventional Morality, blindly conforming to existing social norms and authority.
Piaget believed cognitive development followed a continuous but zig-zag pattern. Children don’t jump from one stage to the next. They sometimes use a more advanced kind of thinking and other times revert to a more primitive form. The sequence of progress is the same for all children. But each child proceeds at his or her own rate.
Explanation:
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