Cognitive-developmental: parallels cognition in piaget"s stages. Selman"s role-taking theory: ability to understand other person"s perspective develops, presented interpersonal dilemmas with multiple characters to children. Egocentric or undifferentiated: thinking or acting the way they do. Self-reflective role taking: stop & think how one would behave in a certain situation. Mutual role taking: put yourself in another person"s place. *farther along you go, the more perspectives you take on. Understanding that human action is motivated by underlying mental states: intentions, beliefs, emotions, desires, something you have to in infer. Social development: moral judgments, empathy, conduct disorder, how some are able to exploit other people - aggression. Example - it"s a kid"s world = season 5 episode 5. Http://chedd-angier. com/frontiers/season5. html: strange mental world, card game with 3 year old object of the game is to sort the card using a simple rule, easier to sort by shape as opposed to colour, failure of inhibition. Have a scenario can"t take on someone else"s perspective.