On the acquisition of abstract representations for English vowels

Abstract
A basic assumption of generative and lexical phonology is that lexical entries of morphemes contain abstract phonological representations (APRs), and that surface pronunciations are derived from them by rules. Whether and how such a system can be acquired is problematic. This paper looks at the acquisition of APRs for English vowels and the Vowel Shift Rule (VSR), and tries to ascertain (1) whether VSR has any psychological reality, (2) at what age this psychological reality begins to be manifested, and (3) what the source of any psychological reality of VSR is. It finds that (1) pre-literate children show no signs of knowing VSR, (2) literate children and adults show marginal knowledge of only those VSR relations represented by the English vowel letters, and (3) the source of this knowledge can be demonstrated to be the learning of spelling conventions. It is concluded that theories which posit more concrete lexical representations are supported by this evidence.

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