Table 1.
Observer characteristics.
| Experiment 1 | Experiment 2 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Old Group | Young Group | Old Group | Young Group | ||||||||||||
| Obser | Sex | Age | Acuity | Obser | Sex | Age | Acuity | Obser | Sex | Age | Acuity | Obser | Sex | Age | Acuity |
| O1 | F | 76 | −0.10 | Y1 | F | 20 | −0.11 | O18 | F | 64 | −0.01 | Y11 | F | 23 | −0.21 |
| O2 | M | 75 | −0.12 | Y2 | F | 19 | −0.11 | O19 | M | 60 | −0.11 | Y12 | F | 24 | −0.21 |
| O3 | M | 70 | −0.04 | Y3 | M | 24 | −0.10 | O20 | M | 69 | −0.05 | Y13 | M | 20 | −0.03 |
| O4 | F | 62 | 0.03 | Y4 | M | 21 | −0.31 | O21 | M | 61 | −0.04 | Y14 | M | 23 | −0.10 |
| O5 | F | 71 | −0.03 | Y5 | M | 25 | −0.23 | O22 | F | 66 | −0.14 | Y15 | F | 27 | −0.21 |
| O6 | F | 64 | −0.10 | Y6 | M | 26 | −0.23 | O23 | M | 75 | −0.11 | Y16 | M | 25 | −0.25 |
| O7 | F | 63 | −0.04 | Y7 | F | 21 | −0.11 | O24 | F | 65 | −0.05 | Y17 | F | 25 | −0.17 |
| O8 | M | 72 | −0.05 | Y8 | M | 26 | −0.23 | O25 | M | 64 | −0.21 | Y18 | F | 25 | −0.10 |
| O9 | M | 73 | 0.03 | Y9 | M | 20 | −0.17 | ||||||||
| O10 | F | 60 | −0.03 | Y10 | M | 24 | −0.23 | ||||||||
| O11 | F | 65 | −0.11 | ||||||||||||
| O12 | F | 69 | −0.01 | ||||||||||||
| O13 | F | 74 | 0 | ||||||||||||
| O14 | F | 65 | −0.05 | ||||||||||||
| O15 | F | 71 | −0.12 | ||||||||||||
| O16 | F | 66 | −0.03 | ||||||||||||
| O17 | M | 66 | −0.10 | ||||||||||||
| Average | −0.05 ± 0.01 | −0.18 ± 0.02 | −0.09 ± 0.02 | −0.16 ± 0.03 | |||||||||||
Abbreviations: Obser = Observers; M = male; F = female; Distant Acuity: logMAR; Average: mean ± se.