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Experiment 1: Length. Conservation of critical spacing. Notes: Each slope is the average across circumferential and radial arrangement in lower and left visual fields. Conservation predicts zero slope. Instances of conservation (yes) are emphasized by italics.
| Critical spacing |
Slope (mean ± SE) |
Conserved? |
| Center | 0.47 ± 0.06 | no |
| Centroid | 0.27 ± 0.04 | no |
| Edge | 0.02 ± 0.05 | yes |
