. Author manuscript; available in PMC: 2021 Jan 1.

Published in final edited form as: J Autism Dev Disord. 2020 Jan;50(1):224–237. doi: 10.1007/s10803-019-04248-x

Table 6.

Fixed Effects Estimates for Main Effects of Vocal Variables Predicting End Point Nonverbal Cognitive Skills

Vocal Variable	Coeff.	SE	t	df	P
Number of communication acts that include a vocalization	0.06	0.11	0.54	86.09	.59
Proportion of vocalizations that are communicative	−0.06	0.09	−0.75	86.85	.46
Diversity of key consonants used in communication acts	0.02	0.07	0.25	86.14	.81
Proportion of vocalizations with a canonical syllable	−0.04	0.05	−0.70	86.14	.49

Note. Coeff. = coefficient value.