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Mean group values for the four primary outcome measures broken down by trials with and without clutter.
| Measure | No clutter | Clutter |
|---|---|---|
| Ellipse area (screen %) | 6.66 | 6.65 |
| Gaze error (arc degrees) | 4.79 | 4.77 |
| Reaction time (ms) | 2171 | 2486 |
| Pursuit/saccade ratio | 15.92 | 15.43 |
