Confusion matrix for 4-channel condition. Each stimulus was identified eighty times (each of the four talkers' utterances was identified twice, resulting in eight identifications by each often 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/ | 11 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 7 | 3 | 2 |
| /aba/ | 5 | 75 | 48 | 1 | 24 | 0 | 4 | 9 | 0 | 0 | 0 | 0 | 2 | 11 | 0 | 0 | |
| /ada/ | 3 | 1 | 22 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | |
| /afa/ | 1 | 0 | 0 | 50 | 0 | 0 | 0 | 0 | 1 | 10 | 2 | 0 | 39 | 0 | 0 | 0 | |
| /aga/ | 4 | 1 | 8 | 1 | 41 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | |
| /aka/ | 0 | 0 | 0 | 0 | 0 | 58 | 0 | 1 | 6 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | |
| /ama/ | 0 | 2 | 0 | 0 | 0 | 0 | 65 | 41 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| /ana/ | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| /apa/ | 0 | 1 | 1 | 0 | 3 | 3 | 0 | 0 | 61 | 0 | 0 | 6 | 0 | 2 | 0 | 0 | |
| /asa/ | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 42 | 39 | 1 | 11 | 1 | 3 | 3 | |
| /a∫a/ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 39 | 0 | 2 | 0 | 0 | 2 | |
| /ata/ | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 12 | 0 | 0 | 66 | 0 | 0 | 0 | 0 | |
| /aθa/ | 2 | 0 | 0 | 18 | 0 | 0 | 0 | 2 | 0 | 9 | 0 | 0 | 19 | 0 | 1 | 0 | |
| /ava/ | 52 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 2 | 0 | 0 | 4 | 51 | 12 | 4 | |
| /aza/ | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 2 | 43 | 26 | |
| /aʒa/ | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 43 | |