| ASD | TD | Group difference | Effect size | ||||
---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | t | p | Cohen’s d | ||
Face | ||||||||
 Without mouth motion | ||||||||
  % Eye | 39.1 | 27.5 | 79.1 | 20.6 | 5.26 | < .001* | 1.74 | b |
  % Mouth | 19.4 | 16.5 | 9.1 | 10.8 | 2.19 | .039 | .79 | a |
 With mouth motion | ||||||||
  % Eye | 28.6 | 30.5 | 55.1 | 22.0 | 3.20 | .003* | 1.06 | b |
  % Mouth | 33.8 | 32.4 | 24.8 | 17.6 | 1.01 | .323 | .38 |  |
Biological motion | ||||||||
 % Upright | 40.7 | 17.7 | 55.4 | 18.7 | 2.48 | .018* | .82 | b |
 % Inverted | 45.7 | 21.7 | 43.6 | 18.6 | .32 | .747 | .11 |  |
People and geometry | ||||||||
 % People | 46.3 | 19.1 | 75.7 | 13.8 | 5.67 | < .001* | 1.88 | b |
 % Geometry | 40.4 | 24.5 | 23.2 | 13.8 | 2.56 | .018* | .94 | b |