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. Author manuscript; available in PMC: 2010 Jun 3.
Published in final edited form as: Ear Hear. 2006 Jun;27(3):286–298. doi: 10.1097/01.aud.0000215973.76912.c6

Table 3.

Scores of Cochlear Implant Users on Language Measures

N Score Mean Standard
Deviation
Range
Utterances per 30-Minute Language Sample 278.08 79.95 110 - 502
CLAN variables 76 Total Words 421.89 273.10 33 - 1316
76 Different Root Words 110.92 52.75 9 - 251
76 Bound Morphemes 26.99 28.82 0 - 127
76 Different Morphemes 4.88 3.33 0 - 12
76 Mean Length Utterance 1.82 .67 1 - 3.83
CDI variables 75 Vocabulary 362.43 182.41 8 - 679
75 Irregular Words 6.64 6.90 0 - 25
75 Sentence Complexity 13.16 11.95 0 - 37
75 Longest Sentence 4.99 3.46 0 – 18.67
SECS variables 76 Receptive Scaled Score* 59.43 6.75 42 – 67
76 Expressive Scaled Score* 65.97 9.29 34 - 82
*

Scaled scores re 3-year old hearing aid users (Mean=50; SD = 10)

Note: CLAN = Child Language Analysis programs for quantification of direct observation variables (MacWhinney, 1995); CDI = Communicative Development Inventory: CDI (Words and Sentences form; Fenson et al., 1993); SECS = Scales of Early Communication Skills for Hearing Impaired Children (Moog & Geers, 1975).