1.   Accordingly, differences in prior experiences can contribute to individual differences in intellectual development.

2.   As such, intellectual development is adaptive.

3.   At this point it is a coherent description of how and why intellectual development proceeds.

4.   Both Piaget and Vygotsky were concerned about intellectual development, but each pursued different problems and questions.

5.   But now the struggle is for methodology to really be geared towards stimulating intellectual development and problem solving.

6.   First, Piaget did his research on and wrote primarily about the cognitive aspects of intellectual development and cognitive structure.

7.   For Vygotsky, acquisition of language from the social environment results in qualitatively improved thinking and reasoning, or intellectual development.

8.   Levels of intellectual development vary considerably among children.

9.   Piaget s system for conceptualizing intellectual development was greatly influenced by his early training and work as a biologist.

10.   Piaget, in turn, fully recognized the role of social factors in intellectual development.