Table 2 Between-group differences longitudinal rates of change for the selected features.

From: Temporal dynamics of early child-clinician prosodic synchrony predict one year autism intervention outcomes using AI driven affective computing

Variable rate of change † (N = 25)

Responders mean (SD)

Non-responders mean (SD)

Test ‡

p-value

F3 bandwidth moving average SD

0.65 (0.91)

-0.60 (0.64)

U = 139

p < 0.001

F3 bandwidth entropy

-0.61 (0.86)

0.57 (0.75)

t = -3.48

p = 0.002

Alpha ratio determinism/recurrence rate

0.68 (0.64)

-0.63 (0.86)

t = 4.16

p < 0.001

  1. † Rate of change = (T1-T0)/T0.
  2. ‡ Independent samples, two-tailed inferential test based on underlying assumptions to verify the presence of significant group differences in rates of change, i.e. Welch t-test and Mann-Whitney U test.
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