alleryTypically, which pair of numbers is slowest and least accurate to compare?
A2 and 9
B1 and 8
C3 and 9
D7 and 8
Answer & Solution
Correct answer: D. 7 and 8
1. The numerical distance effect says closer numbers are harder to compare.
2. 7 and 8 are closest together, while 2 and 9 are far apart.
3. So 7 and 8 are slower and less accurate.
_Source: Wikipedia, Dyscalculia, Magnitude representation deficit_
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