Lecture 10. 1 self and identity: what is identity, sameness and continuity of a person"s psychological functioning, interpersonal behaviour, and commitments to roles, values, and beliefs, there are 3 levels at which identity can be defined: Self-determination theory: self represents the tendency to evolve towards sophistication, self: human"s innate tendency to grow and move forward, driven by 3 innate, universal needs, need for autonomy, need for relatedness, need for competence. 8 stages of psychosocial development: each stage characterized by a psychosocial conflict (or crisis) that needs to be resolved. Identity development occurs throughout the lifespan: erikson"s 8 stages. Infancy: trust vs. mistrust: child whose needs are met develops a sense of basic trust can move on to next stage. Early childhood: initiative vs. guilt: children who: organize and participate in social activities develop a sense of initiative, children who: lack initiative feel guilt and resignation, elementary school age: industry vs. inferiority.