TABLE 4.

Correlations^a between subject-level prosodic features (pitch and loudness) to clinical ratings of language profile and autism severity.

Prosodic Measures	CCC2 – GCC	CCC2- SIDI score	ADOS-2 CSS	SRS-T-score
Pitch	0.274	0.295	−0.312	−0.264
Loudness	−0.386	−0.170	0.324	0.323

^aNon-parametric partial Spearman coefficients (adjusted on WISC IQ scores); italics indicate 0.05 < p < 0.10; bold indicate 0.01 < p < 0.05; bold and underlined indicate p < 0.01.

CCC2, Children’s Communication Checklist, 2nd; GCC, General Communication Composite of the CCC2; SIDI, Social Interaction Difference Index of the CC; ADOS-2, Autism Diagnosis Observational Schedule; CSS, Calibration Severity Score; SRS, Social Responsiveness Scale.