Table 1. Demographic Information and Sessions to Completion.

Participant	Age at initial session	Verbal age (receptive)	Verbal age (expressive)	Sessions to completion	Age at completion
Sally	4 years 7 months	5 years 2 months	5 years 3 months	12	4 years 9 months
Emma	3 years 11 months	4 years 6 months	4 years 9 months	23	4 years 2 months
Valerie	4 years 10 months	3 years 8 months	3 years 10 months	38	5 years 3 months
Laura	4 years	4 years	4 years	30	4 years 6 months