Table 5.
As for Table 4, but for sighted control participants.
| Question description | Question no. | Mean | Standard error | |
|---|---|---|---|---|
| Speech | Talk with one person and follow TV | 9 | 8.73 | 0.25 |
| Follow conversations without missing start of new talker | 11 | 8.88 | 0.25 | |
| Follow one person speaking and telephone at same time | 13 | 9.18 | 0.23 | |
| Ignore interfering voice of different pitch | 8 | 9.18 | 0.20 | |
| Follow one conversation when many people talking | 10 | 9.24 | 0.21 | |
| Ignore interfering voice of same pitch | 7 | 9.27 | 0.19 | |
| Having conversation in echoic environment | 6 | 9.27 | 0.22 | |
| Having conversation with five people in noise | 4 | 9.33 | 0.22 | |
| Talking with one person with TV on | 1 | 9.58 | 0.22 | |
| Talking with one person in continuous background noise | 5 | 9.61 | 0.20 | |
| Talking with one person in quiet room | 2 | 9.70 | 0.14 | |
| Having conversation with five people in quiet | 3 | 9.73 | 0.16 | |
| Have conversation on telephone | 12 | 9.76 | 0.10 | |
| Spatial | Locate above or below on stairwell | 18 | 8.94 | 0.23 |
| Judge distance from footsteps or voice | 21 | 9.06 | 0.22 | |
| Judge distance of vehicle | 22 | 9.27 | 0.20 | |
| Judge lateral movement from voice or footsteps | 24 | 9.39 | 0.20 | |
| Judge approach or recede from voice or footsteps | 25 | 9.42 | 0.19 | |
| Sounds closer than expected | 28 | 9.42 | 0.17 | |
| Sounds in expected location | 30 | 9.45 | 0.18 | |
| Externalization of sounds | 27 | 9.45 | 0.14 | |
| Locate a door slam in unfamiliar house | 17 | 9.48 | 0.15 | |
| Locate dog barking | 19 | 9.55 | 0.16 | |
| Judge lateral movement of vehicle | 23 | 9.58 | 0.15 | |
| Sounds further than expected | 29 | 9.61 | 0.14 | |
| Judge whether a vehicle is approaching or receding | 26 | 9.61 | 0.14 | |
| Locate vehicle from footpath | 20 | 9.61 | 0.12 | |
| Locate each speaker around a table | 15 | 9.64 | 0.13 | |
| Locate lawnmower | 14 | 9.67 | 0.11 | |
| Locate a talker to left to right | 16 | 9.79 | 0.09 | |
| Qualities | Identify instruments in music | 37 | 9.39 | 0.21 |
| Understand when passenger in a car | 46 | 9.42 | 0.20 | |
| Ability to ignore competing sounds | 47 | 9.55 | 0.12 | |
| Effort of conversation | 45 | 9.64 | 0.16 | |
| Music and voice as separate objects | 33 | 9.70 | 0.08 | |
| Naturalness of music | 38 | 9.70 | 0.10 | |
| Distinguish different sounds | 36 | 9.73 | 0.10 | |
| Sounds appearing jumbled | 32 | 9.76 | 0.12 | |
| Need to concentrate when listening | 44 | 9.79 | 0.10 | |
| Distinguish familiar music | 35 | 9.82 | 0.09 | |
| Judging mood by voice | 43 | 9.82 | 0.08 | |
| Clarity of everyday sounds | 39 | 9.82 | 0.08 | |
| Separation of two sounds | 31 | 9.88 | 0.06 | |
| Naturalness of other voices | 40 | 9.88 | 0.06 | |
| Identify different people by voice | 34 | 9.88 | 0.06 | |
| Naturalness of own voice | 42 | 9.88 | 0.06 | |
| Naturalness of everyday sounds | 41 | 9.97 | 0.03 |