| A | B |
| learning theory | focused on the acquisition of new skills |
| social cognition | an awareness and understanding of others' motives and emotions |
| social comparison | evaluating one's abilities by measuring them against those of other children |
| cognitive theory | focused on the development of self-understanding |
| society of children | the games, vocabulary, dress codes and culture of children |
| aggressive-rejected | children who are disliked because of their confrontational nature |
| withdrawn-rejected | children who are disliked because of timid, anxious behavior |
| sociocultural theory | focused on the development of social awareness |
| epigenetic systems theory | views middle schoolers' independence as the result of a species need |
| open style | contributions from every family member are valued |
| closed style | one parent, usually the father, sets strict guidelines and rules |