Appendix B:
Demographic information for HC group
| Name | Sex | Age/test | SES |
| NH 1 | M | 6.51 | 6 |
| NH 2 | F | 10.14 | 5 |
| NH 3 | M | 9.63 | 5 |
| NH 4 | M | 10.82 | 6 |
| NH 5 | M | 7.31 | 5 |
| NH 6 | M | 6.73 | 5 |
| NH 7 | F | 11.35 | 5 |
| NH 8 | F | 7.62 | 5 |
| NH 9 | F | 10.96 | 6 |
| NH 10 | M | 6.44 | 6 |
| NH 11 | M | 8.65 | 4 |
| NH 12 | M | 7.46 | 4 |
| NH 13 | F | 12.18 | 3 |
| NH 14 | F | 17.96 | 3 |
| NH 15 | M | 6.65 | 3 |
| NH 16 | M | 10.14 | 3 |
| NH 17 | M | 9.29 | 4 |
| NH 18 | F | 13.29 | 3 |
| NH 19 | F | 7.51 | 3 |
| NH 20 | M | 6.20 | 4 |
| NH 21 | M | 7.71 | 4 |
| NH 22 | M | 8.48 | 4 |
| NH 23 | M | 10.61 | 3 |
| NH 24 | M | 13.94 | 6 |
| NH 25 | F | 11.58 | 5 |
| NH 26 | M | 10.53 | 5 |
| NH 27 | F | 8.31 | 4 |
| NH 28 | F | 11.49 | 5 |
| NH 29 | F | 7.44 | 4 |
| Average | 9.55 | 4.41 | |
| SD | 2.70 | 1.05 |
Note. F = female; HH = hard of hearing; M = male; SES = socioeconomic status.