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. 1998 Jun 23;95(13):7836–7841. doi: 10.1073/pnas.95.13.7836

Table 1.

Mean reaction time and error rates

Adults
5-year-olds
RT (ms) Errors (%) RT (ms) Errors (%)
Overall 498 2 1,576 6.3
Digits 488 1.75 1,565 7.3
 Close 508 3 1,606 8.9
 Far 469 0.5 1,524 5.8
Dots 510 2.2 1,594 5.3
 Close 529 4.2 1,723 7.1
 Far 490 0.2 1,466 3.5