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Mean response accuracies and reaction times for children with developmental dyscalculia and controls on the two tasks.
| Children with dyscalculia | Children without dyscalculia | |||
| Response accuracy in % | Reaction times in msec | Response accuracy in % | Reaction times in msec | |
| Nonsymbolic numerical judgments | 95.4 (6.4) |
1170.7 (237.7) |
94.0 (11.0) |
1002.3 (257.4) |
| Spatial judgments | 84.7 (8.8) |
1722.1 (426.4) |
88.9 (9.3) |
1465.3 (446.5) |
Standard deviations are given in parenthesis.
