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. Author manuscript; available in PMC: 2012 Jun 12.
Published in final edited form as: J Speech Lang Hear Res. 2006 Dec;49(6):1209–1223. doi: 10.1044/1092-4388(2006/087)

Table 8.

Distribution of percentage of grammatical utterances by age, bilingual status, and language ability of the California, Texas, and Pennsylvania samples.

Age group Spanish language sample
English language sample
Language ability
Language ability
Typical
Impaired
Typical
Impaired
M SD M SD M SD M SD
Age Group 1 4;0–5;1
 Monolingual (n = 31) 90 5 64 16
 Bilingual (n = 4) 88 4 70 5 65 10 57
Age Group 2 5;2–5;11
 Monolingual (n = 30) 92 5 78 8
 Bilingual (n = 12) 88 5 78 16 63 10 55 15
Age Group 3 6;1–7;0
 Monolingual (n = 25) 92 4 80 8
 Bilingual (n = 20) 89 5 79 18 61 13 60 19

Note. Dashes indicate data are not applicable.