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. 2009 May;125(5):3306–3316. doi: 10.1121/1.3101452

Table 2.

Confusion matrix for error analyses of word transcriptions.

Intended targets Listeners’ responses
∕i∕ ∕ɪ∕ ∕e∕ ∕æ∕ ∕ʌ∕ ∕a∕ Other
No accented training
∕i∕ 45 46 6       3
∕ɪ∕ 31 48 10       11
∕e∕ 1 2 95       2
∕æ∕     1 71 15 1 12
∕ʌ∕   1   10 37 25 27
∕a∕ 1       15 76 8
               
Spanish-accented training
∕i∕ 51 41 4 1     3
∕ɪ∕ 28 48 13 1     10
∕e∕ 1   98 1      
∕æ∕       82 13 1 4
∕ʌ∕   1   11 36 24 28
∕a∕   1     15 80 4

Values represent percent responses to target.