| A | B |
| Trust vs. Mistrust | Erikson #1 - If needs are dependably met, develop a sense of basic hope & trust |
| Autonomy vs. Shame & Doubt | Erikson #2 - learn to exercise will and do things for themselves, or they will doubt their abilities |
| Initiative vs. Guilt | Erikson #3 - learn to start tasks and carry out plans, or they feel guilty about efforts to be independent |
| Industry vs. Inferiority | Erikson #4 - learn the pleasure of applying themselves to tasks, or they feel inadequate |
| Identity vs. Role Confusion | Erikson #5 - work at refining a sense of self by testing roles and then integrating them to form a single identity, or they become confused about who they are. |
| Intimacy vs. Isolation | Erikson #6 - struggle to form close relationships and to gain the capacity for intimate love, or they feel socially alone. |
| Generativity vs. Stagnation | Erikson #7 - discover a sense of contributing to the world in two ways: through their job, or through their family; or they may feel a lack of purpose. |
| Integrity vs. Despair | Erikson #8 - When reflecting on his or her life, may feel a sense of accomplishment or regret. |
| Sensorimotor | Piaget #1 - The child has no object permanence. |
| Preoperational | Piaget #2 - The child has object permanence, but is egocentric & has no conservation. |
| Concrete | Piaget #3 - The child has conservation, but can't think abstractly. |
| Formal | Piaget #4 - The child has all of the "mental tools" of adults. |
| Object Permanence | When objects leave your sight, you know that they still exist. |
| Conservation | When liquid gets poured from one container to a different, they stay the same volume. |
| Egocentrism | Being unable to see things from another's perspective. |