Research attempting to understand the intermediate stages of first-language acquisition and disordered speech has led to the discovery of covert contrast. A covert contrast is a statistically reliable difference between phonemes that is produced by a language learner, but in a way that cannot be heard readily by a listener of the target language.…

We present findings of an investigation into the acquisition of the English /s/-/esh/ contrast by native speakers of Korean and Japanese. Both of these languages have the phones [s] and [esh], and both languages exhibit a pattern--or motivate a rule--whereby /s/ is realized as [esh] before the vowel [i] and the glide [j]--that is, high front…

The validity of 2 implicational universals regarding constituent order in questions is tested in the English speech of 14 native speakers of Japanese, Turkish, and Korean. The interlanguage evidence is found to be generally supportive of the 2 universals. (31 references). (Author/VWL)