conclusions

• Primitve counting system - cognitive tools internalised from our culture can restrict cognitive development and understanding of the world, shaping our cognitive development
• Van Keer et al - since the application based on vygotskys theory is successful this validates his theory and shows its utility in eduaction
• point them in the right direction to make accurate estimates - experts can fascilitate learning of children by providing scaffolding tasks helping them to develop better reasoning skills and cognitively develop
• ignores the role of internal mediational mental processes - can be considered an incomplete explanation of cognitive development