Vowel production of a 14-month-old girl was studied over a 6-month period. Sixty percent of the vowels were produced correctly. A complex pattern of vowel preferences and errors was partially related to prespeech babbling preferences and strongly related to word structure variables (monosyllabic versus disyllabic). (Author/JDD)

Analyzes the oral language patterns of students from working class backgrounds, revealing a preference for practical efficiency of communication over grammatical correctness or precision. By school standards, their spoken narrations are confused, incoherent, and incorrect, leading to cultural misunderstandings, mutual incomprehension, and…