Table 1.
Child language measure | n | M (SD) | Range |
---|---|---|---|
MLU-C | 380 | 5.70 (1.13) | 2.65–9.50 |
NTW | 326 | 523.73 (100.91) | 263–887 |
NDW | 326 | 190.19 (28.22) | 104–275 |
TNC | 326 | 36.21 (18.29) | 5–109 |
DSS | 342 | 9.77 (1.54) | 5.74–15.83 |
BNT-2 | 377 | 32.47 (6.97) | 14–51 |
BNT-3 | 248 | 37.21 (6.38) | 19–50 |
SB-Vocab-2 | 379 | 18.34 (2.63) | 13–25 |
SB-Vocab-3 | 247 | 20.22 (3.09) | 13–32 |
PA-2 | 379 | 18.82 (5.05) | 0–30 |
PA-3 | 248 | 20.83 (3.51) | 8–30 |
WA-2 | 370 | 15.48 (10.10) | 0–40 |
WA-3 | 245 | 23.89 (9.44) | 3–40 |
WID-2 | 372 | 39.84 (19.22) | 0–77 |
WID-3 | 246 | 58.57 (13.17) | 17–83 |
PC-2 | 345 | 21.63 (10.37) | 0–44 |
PC-3 | 232 | 31.34 (8.13) | 6–49 |
Note. Abbreviations followed by “−2” or “−3” represent measures taken at the second home visit or the third home visit, respectively. MLU-C = mean length of utterance in morphemes; NTW = number of total root words; NDW = number of different root words; TNC = total number of conjoining and subordinating conjunctions; DSS = Developmental Sentence Score; BNT = Boston Naming Test; SB-Vocab = Vocabulary subtest from the Stanford-Binet Intelligence Test; PA = phonological awareness composite; WA =Word Attack subtest of the Woodcock Reading Mastery Test; WID = Word Identification subtest of the Woodcock Reading Mastery Test; PC = Passage Comprehension subtest of the Woodcock Reading Mastery Test.