Table 2. Fixation parameters for Experiment 2 (images).
| Fixation Duration | Fixation Latency | Proportion First | ||||
|---|---|---|---|---|---|---|
| Set Size | M [ms] | SE [ms] | M [ms] | SE [ms] | M | SE |
| Humans | ||||||
| 2 | 286 | 21 | 372 | 15 | .70 | .03 |
| 4 | 294 | 18 | 444 | 21 | .66 | .04 |
| 6 | 255 | 12 | 502 | 14 | .52 | .08 |
| 8 | 286 | 20 | 532 | 23 | .43 | .07 |
| Machines | ||||||
| 2 | 294 | 32 | 351 | 9 | .69 | .07 |
| 4 | 306 | 50 | 427 | 26 | .46 | .06 |
| 6 | 290 | 44 | 480 | 19 | .42 | .05 |
| 8 | 249 | 23 | 583 | 31 | .38 | .04 |
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.