TABLE 2.
Demographic characteristics of participants in Experiment 1B
| Deaf native signers n = 24 |
Deaf CI users n = 10 |
Hearing controls n = 31 |
F/X2 | p | |
|---|---|---|---|---|---|
| Age | 1.61 | .21 | |||
| Mean yr;mo | 9;10 | 10;01 | 9;03 | ||
| (SD) | (1;08) | (1;10) | (1;04) | ||
| Range | 7;01–12;10 | 7;07–12;10 | 7;0–12;11 | ||
| Sex (f: m) | 16: 8 | 5: 5 | 17: 14 | 1.13 | .57 |
| Hearing status | Severe or profound congenital deafness | Severe or profound congenital deafness | No known hearing impairment | n/a | n/a |
| Language experience | Exposure to sign language at home from birth and at school; variable speech emphasis at home and school. | Little accessible language input prior to cochlear implant; listening and spoken language emphasis at home and school. | Exposure to spoken language from birth. | n/a | n/a |
| Age of CIa: | (3 of 24) | (10 of 10) | n/a | n/a | n/a |
| Mean yr;mo | 1;10 | 1;10 | |||
| (SD) | (0;02) | (0;07) | |||
| Range | 1;07–1;10 | 0;08–2;10 | |||
| Primary caregiver education levelb | I: 1 | I: 0 | I: 0 | – | .97 |
| II: 1 | II: 1 | II: 1 | |||
| III: 5 | III: 2 | III: 6 | |||
| IV: 6 | IV: 2 | IV: 9 | |||
| V: 11 | V: 5 | V: 14 | |||
| VI: 0 | VI: 0 | VI: 1 |
a
Only 3/24 (12%) of the Deaf native signers received a cochlear implant; they are included with the other Deaf native signers rather than with the CI users because they were exposed to ASL from birth.
b
Education level: I = less than high school, II = high school or GED, III = some college or associate’s degree; IV = bachelors degree; V = some graduate school or advanced degree. VI: Not reported.