| A | B |
|---|
| Who said: I am a constructive theorist | Both |
| Who said: boundaries of cognitive growth are established by societal influences | Both |
| Who said: development comes from action/doing | Piaget |
| Who said: development comes input from surroundings and others | Vygotsky |
| Who said: development occurs in four evident phases | Piaget |
| Who said: development has no set stages | Vygotsky |
| Who said: private speech or self-verbalization is essential for development | Vygotsky |
| Who said: children learn best in their zone of proximal development | Vygotsky |
| Who said: children are egocentric in their perspectives | Piaget |
| Who said: having groups of mixed abilities is good | Vygotsky |
| Who said: people learn through accommodating or assimilating their existing schemas | Piaget |
| Who said: disequilibrium is a stage of struggle | Piaget |
| Who said: language is essential to development | Vygotsky |
