Table 1. Fixation parameters for Experiment 1 (videos).
| Fixation Duration | Fixation Latency | Proportion First | ||||
|---|---|---|---|---|---|---|
| Set Size | M [ms] | SE [ms] | M [ms] | SE [ms] | M | SE |
| Humans | ||||||
| 2 | 270 | 11 | 379 | 17 | .81 | .04 |
| 4 | 271 | 15 | 461 | 15 | .67 | .07 |
| 6 | 249 | 16 | 527 | 26 | .62 | .04 |
| 8 | 275 | 25 | 565 | 23 | .58 | .06 |
| Machines | ||||||
| 2 | 299 | 10 | 362 | 12 | .73 | .04 |
| 4 | 295 | 19 | 478 | 38 | .57 | .07 |
| 6 | 294 | 19 | 492 | 9 | .49 | .04 |
| 8 | 303 | 36 | 486 | 22 | .39 | .05 |
M: mean; SE: standard error of the mean. Fixation Latency: time between the onset of the search array and the onset of the first fixation on target. Proportion First: proportion of first fixations on target. All values refer to target present trials.