Table 2.
Observed scanning strategies in eye-tracking studies of multiple identity tracking (MIT).
| Study | Stimuli | Set-Size | Speed (deg/s) | Analysis Method | Scanning Strategy |
|---|---|---|---|---|---|
| Doran, Hoffman & Scholl [24] | lines that varied in size | 3 | 2 | AoI: 1 deg | Target: ~17%; Centroid: ~7%; Distracter: ~5% |
| Oksama & Hyönä [20] | |||||
| Experiment 2 | line drawings 1.9 × 1.8 deg | 2–5 | 2.6, 6.3, 10.3 | AoI: 3.4 deg | Target: 53%; Blank area: 25%; Centroid: 2%; Distracter: 2% |
| Experiment 3 | line drawings 1.9 × 1.8 deg | 2–5 | 2.6, 6.3, 10.3 | AoI: 3.4 deg | Target: 52%; Blank area: 24%; Centroid: 2%; Distracter: 2% |
| Li, Oksama & Hyönä [25] | Landolt rings, 1.6 deg | 3 | 8.6 | AoI: 2 deg | |
| Experiment 1 | Target: 73%; Centroid: 6% | ||||
| Experiment 2 | Target: 66%; Centroid: 6% | ||||
| Li, Oksama & Hyönä [26] | faces (1.7–2.3 deg), color discs (2 deg), line drawings (2 × 2 deg) | 3,4 | 4.5 | AoI: 2.5 deg | |
| All-Present | Target: 82%; Distracter: 6% | ||||
| None-Present | Target: 76% | ||||
| Wu & Wolfe [27] | hidden animals (3 × 3 deg) | 3–5 | 6 | AoI: 4 deg | Target: ~35%; Blank area: ~35%; Centroid: ~20%; Distracter: ~8% |