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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: Ear Hear. 2015 Nov-Dec;36(0 1):48S–59S. doi: 10.1097/AUD.0000000000000209

Table 5.

Summary statistics and longitudinal analysis of caregivers’ linguistic input to Children who are Hard of Hearing at the 18-month versus 3-year visit (n = 26).

18 Month
3 Year
Between Group
Linguistic Input Variables M (SD) M (SD) p Cohen’s d
NTU 107.2 (27.4) 102.7 (19.6) 0.38 0.19
NTW 364.7 (126.5) 401.7 (98.1) 0.10 −0.33
NDW 102.3 (31.8) 117.9 (22.7) 0.02 −0.56
MLUm 3.8 (0.6) 4.5 (0.8) <0.001 −0.99
High-Level 0.10 (0.06) 0.16 (0.08) 0.004 −0.91
Directing 0.25 (0.12) 0.14 (0.60) <0.001 1.20

Note. NTU = number of total utterances; NTW = number of total words; NDW = number of different words; MLUm = mean length of utterance in morphemes.