Developmental Trends in Correct /r/ Articulation as a Function of Allophone Type

Abstract
Eight normally developing preschool children manifesting incomplete mastery of /r/ articulation repeated three times at four week intervals sentences containing the allophones [ r ] embedded in various consonantal contexts. Two judges evaluated /r/ allophone production as correct or incorrect. Children whose /r/ production improved showed greater success with [ r] articulation than with []. Results indicate that normally developing children may be distinguished from more slowly developing children on the basis of differential success with production of various /r/ allophones.

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