Table 5.
Characteristics of fixation durations and saccade sizes for different tasks
| Task | No. of fixations | Fixation durations (ms) | Saccade lengths (°) | ||||
|---|---|---|---|---|---|---|---|
| Mean | Mean | Median | SD | Mean | Median | SD | |
| Reading English 1 | 203 (65) | 261 (41) | 229 (28) | 150 (50) | 1.77 (.35) | 1.60 (.31) | 1.20 (.34) |
| Reading English 2 | 175 (68) | 251 (36) | 223 (32) | 135 (43) | 1.95 (.49) | 1.70 (.37) | 1.45 (.54) |
| Reading Dutch 1 | 192 (86) | 250 (45) | 220 (23) | 141 (62) | 2.03 (.63) | 1.88 (.68) | 1.41 (.41) |
| Reading Dutch 2 | 169 (60) | 261 (54) | 229 (34) | 149 (67) | 2.06 (.42) | 1.83 (.45) | 1.52 (.26) |
| Reading Overall | 185 (69) | 257 (44) | 226 (29) | 145 (56) | 1.94 (.47) | 1.74 (.46) | 1.38 (.40) |
| Search Shampoo | 23 (14.0) | 245 (43) | 214 (42) | 149 (50) | 3.41 (.95) | 2.25 (1.01) | 3.34 (1.03) |
| Search Margarine | 26 (7.5) | 267 (57) | 207 (67) | 190 (67) | 4.50 (1.49) | 3.31 (1.60) | 4.21 (1.40) |
| Search Overall | 24 (11.8) | 254 (50) | 211 (43) | 166 (60) | 3.86 (1.31) | 2.69 (1.38) | 3.70 (1.26) |
| Ad Exploration 1 | 21 (10.6) | 230 (46) | 206 (41) | 124 (48) | 5.37 (1.17) | 4.11 (1.89) | 4.75 (1.03) |
| Ad Exploration 2 | 37 (15.9) | 236 (35) | 214 (24) | 127 (47) | 4.40 (.83) | 2.90 (.89) | 4.17 (.71) |
| Ad Exploration Overall | 29 (15.6) | 233 (41) | 210 (34) | 125 (47) | 4.90 (1.13) | 3.52 (1.61) | 4.47 (.93) |
Note: Standard deviations across individuals in parentheses