Table 1.

Participant Data

Pseudonym	Age at immersion	Age filming began	Age at conclusion of filming	Age range of current analyses	Range of Total # Child Utterances per session
Mei	6;0	6;7	10;0	6;7–6;10	60– 157
Cal	5;9	6;10	10;1	6;10–7;1	78– 262
Jil	birth	1;7	3;7	2;0–2;6	57– 178
Sal	birth	1;7	2;10	2;0–2;2	175– 180
Nat	Birth	6;7	10;3	7;11–8;11	227– 231