Confusion matrix for 1-channel condition. Each stimulus was identified eighty times (each of the four talkers' utterances was identified twice, resulting in eight identifications by each of ten different listeners for each phoneme).
| Stimulus | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| /aða/ | /aba/ | /ada/ | /afa/ | /aga/ | /aka/ | /ama/ | /ana/ | /apa/ | /asa/ | /a∫a/ | /ata/ | /aθa/ | /ava/ | /aza/ | /aʒa/ | ||
| Response | /aða/ | 15 | 10 | 8 | 5 | 5 | 2 | 3 | 4 | 0 | 6 | 2 | 0 | 8 | 12 | 12 | 7 |
| /aba/ | 1 | 25 | 22 | 9 | 10 | 4 | 1 | 4 | 1 | 2 | 2 | 0 | 5 | 8 | 0 | 0 | |
| /ada/ | 4 | 2 | 17 | 5 | 13 | 0 | 4 | 1 | 3 | 1 | 1 | 0 | 3 | 4 | 1 | 0 | |
| /afa/ | 2 | 5 | 1 | 15 | 1 | 3 | 0 | 3 | 0 | 24 | 21 | 2 | 15 | 0 | 5 | 3 | |
| /aga/ | 2 | 1 | 3 | 0 | 0 | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | |
| /aka/ | 0 | 1 | 1 | 3 | 6 | 17 | 1 | 1 | 12 | 0 | 0 | 14 | 1 | 0 | 0 | 0 | |
| /ama/ | 1 | 4 | 2 | 0 | 2 | 1 | 15 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | |
| /ana/ | 0 | 4 | 0 | 0 | 0 | 0 | 5 | 9 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | |
| /apa/ | 0 | 3 | 0 | 5 | 3 | 1 | 0 | 1 | 12 | 3 | 0 | 4 | 2 | 0 | 0 | 0 | |
| /asa/ | 4 | 3 | 2 | 11 | 4 | 1 | 7 | 8 | 3 | 27 | 28 | 3 | 10 | 7 | 17 | 14 | |
| /a∫a/ | 1 | 1 | 0 | 1 | 1 | 0 | 11 | 7 | 0 | 0 | 9 | 0 | 1 | 1 | 2 | 2 | |
| /ata/ | 1 | 5 | 7 | 8 | 10 | 44 | 1 | 1 | 44 | 1 | 1 | 56 | 12 | 2 | 1 | 0 | |
| /aθa/ | 1 | 6 | 4 | 16 | 7 | 1 | 3 | 2 | 1 | 14 | 13 | 1 | 13 | 5 | 6 | 5 | |
| /ava/ | 33 | 8 | 13 | 1 | 18 | 0 | 18 | 18 | 1 | 0 | 1 | 0 | 7 | 26 | 22 | 32 | |
| /aza/ | 15 | 1 | 0 | 1 | 0 | 0 | 7 | 7 | 0 | 2 | 2 | 0 | 0 | 9 | 8 | 7 | |
| /aʒa/ | 0 | 1 | 0 | 0 | 0 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 2 | 3 | 4 | 4 | |