Table 1 Best features for classification (based on significant Pearson’s correlation between feature and class).
Feature characteristics | Pearson r | p-value | |
|---|---|---|---|
West vs. Typical developing | |||
Ratio of all maternal audio intervention during free interaction | Audio, mother | 0.35 | 0.012 |
Total number of infant HM pauses (side view camera) during free interaction | Video, infant | 0.34 | 0.014 |
Total number of infant HM pauses (side view camera) when the mother is singing | Video, infant | 0.32 | 0.023 |
Vertical amplitude of the giraffe (front view camera) | Video, infant | −0.30 | 0.032 |
Movement acceleration max (side view camera) during free interaction | Video, infant | 0.29 | 0.034 |
West with ASD/ID vs. West without ASD/ID | |||
Total number of all infant vocalization during free interaction | Audio, infant | −0.56 | <0.001 |
Synchrony ratio (infant response to mother) | Audio, synchrony | −0.55 | <0.001 |
Ratio of all infant vocalization during free interaction | Audio, infant | −0.55 | 0.001 |
Motherese synchrony ratio (infant response to motherese) | Audio, synchrony | −0.54 | 0.002 |
Non-motherese synchrony ratio (infant response to non-motherese) | Audio, synchrony | −0.48 | 0.005 |
HM acceleration SD (front view camera) during the giraffe interaction | Video, infant | −0.46 | 0.008 |
HM acceleration max (side view camera) during the giraffe interaction | Video, infant | −0.45 | 0.01 |
HM velocity SD (front view camera) during the giraffe interaction | Video, infant | −0.43 | 0.014 |
Curvature max (side view camera) during the giraffe interaction | Video, infant | −0.37 | 0.039 |
Relative time spent motionless (pause) (front view camera) during free interaction | Video, infant | 0.36 | 0.04 |
