FIGURE 1.
FIGURE 2.
FIGURE 3.
Descriptive statistics for each index at the three time points_
| Wave 1 | Wave 2 | Wave 3 | F | p | ηp2 | |
|---|---|---|---|---|---|---|
| Age (range) | 4.01 ± 0.84 (2.10–5.57) | 5.22 ± 0.66 (4.19–6.61) | 6.57 ± 0.63 (5.25–7.61) | 350.515 | < .001 | 0.938 |
| SRS (range) | 29.52 ± 9.46 (9–46) | 25.96 ± 10.74 (7–48) | 24.30 ± 12.83 (4–69) | 2.841 | .069 | 0.114 |
| WISC-IV FSIQ (range) | 104.82±12.63 (85–130) | |||||
| Gazefinder | ||||||
| Face without mouth motion | ||||||
| Eye region (%) | 46.3 ± 19.5 | 56.3 ± 12.4 | 53.0 ± 18.7 | 0.688 | .508 | 0.029 |
| Mouth region (%) | 18.1 ± 12.8 | 20.8 ± 10.9 | 20.7 ± 13.5 | 2.971 | .061 | 0.114 |
| Face with mouth motion | ||||||
| Eye region (%) | 25.3 ± 15.5 | 22.9 ± 16.5 | 26.4 ± 17.6 | 0.521 | .597 | 0.022 |
| Mouth region (%) | 44.9 ± 27.1 | 54.6 ± 18.8 | 52.5 ± 20.7 | 2.407 | .118 | 0.095 |
| Biological Motion (BM) | ||||||
| Upright (%) | 48.5 ± 18.6 | 53.2 ± 16.5 | 47.2 ± 20.1 | 0.735 | .485 | 0.031 |
| Preference Paradigm | ||||||
| People region (%) | 45.1 ± 18.9 | 44.5 ± 11.6 | 46.9 ± 12.3 | 0.267 | .708 | 0.011 |
| Finger Pointing | ||||||
| Social (%) | 39.7 ± 23.3 | 36.1 ± 11.7 | 41.9 ± 12.0 | 0.951 | .378 | 0.040 |
| VABS-II | ||||||
| Communication | 100.5 ± 10.5 | 99.0 ± 9.9 | 103.3 ± 8.8 | 1.949 | .154 | 0.078 |
| Socialization | 103.6 ± 6.6 | 100.7 ± 8.4 | 98.1 ± 10.3 | 3.147 | .052 | 0.120 |
| Daily living skills | 103.9 ± 11.3 | 103.5 ± 11.5 | 100.1 ± 12.7 | 1.224 | .304 | 0.051 |