| A | B |
| self-centered | think only about one's own needs |
| negativism | doing the opposite of what others want |
| independence | the desire to do things by oneself |
| frustration | the emotion associated with lack of ability to be completely independent |
| separate person | the realization that the child is no longer "part of" their parent(s) |
| temper tantrum | the way a child releases anger & frustration through acting out (screaming, kicking, etc) |
| separation anxiety | a fear of being away from parents |
| sibling rivalry | competition between brothers and sisters for parents' attention |
| empathy | the ability to put oneself in another's place |
| self-concept | how a person sees him/herself |
| cooperative play | interacting with another child in play |
| parallel play | playing near but independently of another child |
| guidance | the way children learn self-discipline |