Part one of term paper
Self is one's awareness of ideas and attitudes about one's own personal and social identity. Self is shaped since young by reflecting self-image from other in order to sense one's own identity. Sigmund Freud developed a model of personality; it consists three items: id, ego and superego. Id is the basic drive and instinct for food, sex etc. ...

Part two of term paper
... Piaget limited the focus on cognitive development. In the first sensorimotor stage, which is from birth to age 2, children are living without thought as a consequence of direct experience. The second preoperational stage spans from age 2 to 7 where symbolic communication comes into play, but children see the world in their own point of view and are unable to preserve other's perspectives. In the concrete operational stage between ages of 7 and 11, children understand "cause and effect" and are abl ...