This investigation focuses on the development of intonation patterns in four Catalan-speaking children and two Spanish-speaking children between 0 ; 11 and 2 ; 4. Pitch contours were prosodically analyzed within the Autosegmental Metrical framework in all meaningful utterances, for a total of 6558 utterances. The pragmatic meaning and communicative function were also assessed. Three main conclusions arise from the results. First, the study shows that the Autosegmental Metrical model can be successfully used to transcribe early intonation contours. Second, results reveal that children's emerging intonation is largely independent of grammatical development, and generally it develops well before the appearance of two-word combinations. As for the relationship between lexical and intonational development, the data show that the emergence of intonational grammar is related to the onset of speech and the presence of a small lexicon. Finally, we discuss the implications of these results for the biological hypothesis of intonational production.
This study investigates the link between interrogative intonation and meaning in child-directed speech (henceforth CDS) and how this is reflected in the early development of yes-no-interrogatives of Catalan-and Spanish-speaking children. Previous research found that children before the two-word period produce several types of interrogatives and that their productions generally reflect the adult inventory pattern (Lleó & Rakow 2011;Prieto et al. 2012). Yet prior studies have not included an analysis of the pragmatic meanings that are encoded intonationally. This investigation takes an integrated approach to the study of intonational development within the domain of yes-no questions, exploring further the correspondence between intonational form and meaning in early interrogative production and relating it to the pragmatics of interrogative intonation in child-directed speech. A set of 723 interrogative utterances produced by 3 Catalan-and 2 Spanish-acquiring children between the onset of interrogative production and 2;4 were pragmatically and then prosodically analyzed, as well as a set of 867 utterances from Catalan and Spanish CDS. The data were extracted from the Serra-Solé Catalan Corpus and the Ojea and López-Ornat Spanish Corpora in CHILDES. Production results show that all children perform some instance of questioning before the two-word period and that their productions generally reflect the adult inventory patterns. Moreover, the results show a preference relationship between the different types of nuclear pitch configurations and the pragmatic meanings that underlie the yes-no-interrogative forms. Finally, these results highlight the importance of the assessment of form-meaning relationships for the understanding of intonational development.
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