Strange W, Gottfried T L
J Acoust Soc Am. 1980 Dec;68(6):1622-5. doi: 10.1121/1.385217.
Vowels produced in isolation by six speakers were identified less accurately than vowels coarticulated in /k/-vowel-/k/ syllables, whether tested by a key word task or by a rhyming task. Performance by naive listeners in the two tasks was highly correlated.