PART ONE-RESEARCH Part One-Research of Three Theorists Although Piaget, Erikson, and Kohlberg are three separate people with three separate ideas of development, they all pretty much cover the same ground. With different time spans, these three theorists touch base on how a person develops successfully. Piaget used four stages to define his Cognitive Development theory, Erikson used eight stages to uphold his theory that Psychosocial Development occurred through an entire lifetime and not just childhood, …showed first 75 words of 2424 total…

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