| A | B |
| Pieget's Stages of Cognitive Development | Sensorimotor, Preoperational, concrete operational, formal operational |
| Preoperational | preschool years when children begin to babble |
| concrete operational | logical thinking, concrete objects, immediate situations, conservation, |
| concrete operational understanding | of conservation - objects changing without loosing mass or volume |
| formal operational | around age 11 begin to think abstractly. |
| Erikson's Theory stage 4 | industry vs. inferiority |
| industry | child's desire to attempt or imitate adult competencies to win recognition |
| inferiority | results when a child's abilities are not reached at his/her desired level |
| Erikson's Theory stage 5 | identity vs. identity confusion - middle school |
| Identity vs. Identity confusion | students begin to question their identity |
| Erikson's Theory stage 6 | intimacy vs. isolation |
| intimacy vs. isolation | begin to form lasting relationships or feel isolated if |