Examined ability of Quebec French-speaking first graders to categorize words on the basis of vowel categories. Found that ability to categorize vowels does not develop uniformly but is affected by degree of spectral/articulatory proximity between vowels, by syllable structure, and potentially by characteristics of the input phonology. (JPB)

This paper reports on a longitudinal study of the acquisition of the voicing contrast in American-English work-initial stop consonants, as revealed through instrumental analysis of voice onset time characteristics. Four monolingual children were recorded at approximately two week intervals, beginning when the children were about 1;6. Data provide…

Several studies have begun to investigate the claim that children can make most phonological discriminations when they begin to speak. This paper investigates how well children aged 2;3 to 2;11 can discriminate between pairs of minimally different real words, and it shows that the results are affected by how well the children know the words. It is…