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Which pair do typically developing people compare more slowly and less accurately?

A2 and 9
B1 and 8
C7 and 8
D3 and 9
Answer & Solution
Correct answer: C. 7 and 8
1. This is the numerical distance effect: closer numbers are compared more slowly. 2. 7 and 8 are closest. 3. The text contrasts 7 and 8 with 2 and 9. _Source: Wikipedia, Dyscalculia, Magnitude representation deficit_
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