Table 1.

Descriptive statistics and statistical comparisons for in-person versus video chat samples at Timepoint 1.

Variable	In-person (n =16)		Video chat (n = 46)		z	r	p
	M (SD)	Range	M (SD)	Range
Age (months)	24.00 (4.02)	19–32	24.87 (4.24)	18–34	−0.81	.10	.42
Income:Needs ratio	4.65 (4.10)	0.61–14.69	5.66 (4.31)	0.69–19.59	−1.20	.15	.23
% utterances audio signal intelligible	99.07% (1.36%)	95.00%–100%	98.44% (3.29%)	81.75%–100%	−0.07	.01	.95
% utterances child speech intelligible	86.31% (9.03%)	68.00%–100%	84.91% (10.08%)	60.00%–100%	−0.36	.05	.72
Type–token ratio	0.48 (0.09)	0.34–0.62	0.46 (0.09)	0.25–0.69	−1.05	.13	.30
Mean length of utterance	1.69 (0.58)	1.02–2.60	1.75 (0.68)	1.02–3.58	−0.19	.02	.85
Number of different words	37.13 (11.90)	13–68	37.59 (12.63)	20–64	−0.13	.02	.90
Errors	1.06 (1.34)	0–4	1.11 (1.64)	0–7	−0.17	.02	.87
Omissions	3.63 (4.66)	0–18	3.83 (3.95)	0–19	−0.62	.08	.54

Note. All z values are from Mann–Whitney U tests. Effect size measured in units of r.