This table shows the percentage of correct answers and the average trial duration as a function of the difference in wavelength in the grating frequency comparison experiment.
| spacial frequency (mm) | percentage of correct answers | average trial duration (seconds) |
| 0.5 | 74.4±7.3 | 6.5±1.8 |
| 1.0 | 85.8±11.1 | 5.9±1.7 |
| 1.5 | 95.1±8.7 | 5.2±1.2 |
| 2.0 | 94.3±5.0 | 4.6±1.2 |
| 2.5 | 98.2±3.7 | 4.3±0.9 |
| 3.0 | 100.0±0.0 | 3.7±1.0 |
| 3.5 | 100.0±0.0 | 3.6±0.9 |
| 4.0 | 98.1±5.6 | 3.9±0.9 |
| 4.5 | 100.0±0.0 | 3.2±0.8 |
| 5.0 | 100.0±0.0 | 3.1±0.7 |