THE PHONETIC FEATURES NECESSARY FOR GOOD PRONUNCIATION AND EFFECTIVE USE OF LANGUAGES WERE STUDIED. A FOUR-WAY RESEARCH TECHNIQUE WAS DEVELOPED FOR COMPARISON AMONG LANGUAGES (1) INVOLVING SPECTROGRAPHIC ANALYSIS, (2) SPECTROGRAPHIC SYNTHESIS, (3) MOTION PICTURE ANALYSIS, AND (4) STATISTICAL ANALYSIS. THE ELECTRONIC INSTRUMENTATION CONSTRUCTED FOR…

Compares frequencies of cooccurrences in infant babbling between phonetic and contextual categories to expected frequencies, and considers deviations to be patterns in babbling. Results are provided of an examination of utterances of three Canadian-English and three Parisian-French infants whose babblings were transcribed and categorized according…

The phonologies of three English-speaking children at approximately two years of age are examined. Two of the analyses are based on published studies; the third is based on observations and recordings made by the author. Summary statements on phonemic inventories and on correspondences with the adult model are presented. For the third case, fairly…

This study is a detailed analysis of the phonological development of Sylvia, a bilingual child, in her acquisition of American English and Brazilian Portuguese from the age of 1 year, 7 months to 3 years, 8 months. The study is divided into four stages: ages 1.7 - 1.9; 1.9 - 2.1; 2.1 - 2.3; and 2.3 - 2.8. Up to the age of 1.9, the same…