alleryWhich Slovak researcher's work led to recognition of dyscalculia in 1974?
ALadislav Košč
BStanislas Dehaene
CJean Piaget
DLev Vygotsky
Answer & Solution
Correct answer: A. Ladislav Košč
1. Dyscalculia was not fully recognised until 1974.
2. Slovak researcher Ladislav Košč did the work and called it a structural disorder of mathematical abilities.
3. Dehaene, Piaget and Vygotsky are not the Slovak researcher.
_Source: Wikipedia, Dyscalculia, History_
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