Performance is typically measured by the time taken to complete one table. A completion time of is generally considered a high level of concentration, while times exceeding 60 seconds may indicate a need for more regular training. Clinical norms for a 5x5 table often sit around 25–30 seconds for healthy adults. Conclusion

By keeping eyes centered, the brain is forced to use peripheral vision to "spot" numbers on the edges. This reduces the need for the eye to scan back and forth, a key skill for increasing reading speed.

Locate numbers 1 through 25 mentally. Experts suggest avoiding sub-vocalizing (saying the numbers in your head) to further boost speed.

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