TABLE 2.
Descriptive statistical results of character-region-based eye-movement indicators under various types of characters of different groups.
| Indicators | Group | TAR | ORT | HOM | UNR | RED | Group main effect |
| FFD | Comorbidity | 323 (71) | 225 (39) | 188 (34) | 182 (33) | 200 (49) | ADHD + DD = |
| ADHD | 326 (68) | 232 (43) | 179 (37) | 181 (31) | 175 (27) | ADHD > Control | |
| Control | 274 (53) | 207 (25) | 164 (21) | 164 (22) | 158 (30) | ||
| Comorbidity | 560 (167) | 244 (34) | 193 (37) | 194 (59) | 209 (54) | ADHD + DD > ADHD = Control | |
| GD | ADHD | 458 (144) | 245 (45) | 182 (41) | 185 (32) | 182 (37) | |
| Control | 373 (138) | 214 (29) | 165 (21) | 165 (24) | 161 (33) | ||
| TT | Comorbidity | 1032 (406) | 367 (63) | 243 (56) | 243 (84) | 296 (99) | ADHD + DD > ADHD = Control |
| ADHD | 819 (289) | 374 (70) | 234 (58) | 223 (40) | 224 (56) | ||
| Control | 664 (285) | 313 (51) | 190 (35) | 196 (35) | 185 (40) | ||
| NFIX | Comorbidity | 2.7 (1.2) | 1.1 (0.3) | 0.5 (0.2) | 0.5 (0.2) | 0.3 (0.2) | ADHD + DD > |
| ADHD | 2.0 (0.7) | 1.0 (0.3) | 0.6 (0.1) | 0.5 (0.1) | 0.3 (0.2) | ADHD = Control | |
| Control | 1.9 (0.8) | 0.9 (0.2) | 0.4 (0.1) | 0.5 (0.1) | 0.3 (0.1) |
Standard deviations are shown in parentheses. FFD, first fixation duration; GD, gaze duration; TT, total view time; NFIX, number of fixations; TAR, target; ORT, orthographically similar; HOM, homophonic; UNR, unrelated.