. Author manuscript; available in PMC: 2015 Oct 1.

Published in final edited form as: J Speech Lang Hear Res. 2014 Oct 1;57(5):1754–1763. doi: 10.1044/2014_JSLHR-L-13-0252

Table 1.

Pre-experimental Characteristics by Dose Frequency Group.

Pre-treatment characteristic	Daily M(SD)	Weekly M(SD)	t(61)	p	d
Chronological age in months	21.83 (2.71)	22.95 (3.33)	-1.47	0.15	-0.37
Bayley III mental age in months	12.61 (2.08)	12.47 (2.15)	0.26	0.79	0.07
Bayley III Cognitive Composite	66.06 (6.82)	64.67 (6.69)	0.82	0.42	0.21
Canonical syllabic communication	0.21 (0.20)	0.15 (0.14)	1.45	0.15	0.34
Number of words spoken on MB-CDI	1.15 (1.39)	0.97 (1.50)	0.50	0.61	0.12

Daily = Five, 1 hour sessions per week. Weekly = One, 1 hour session per week.