| Variation in the input: a case study of manner class frequencies. | |
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MedLine Citation:
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PMID: 23046894 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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ABSTRACT What are the sources of variation in the input, and how much do they matter for language acquisition? This study examines frequency variation in manner-of-articulation classes in child and adult input. The null hypothesis is that segmental frequency distributions of language varieties are unigram (modelable by stationary, ergodic processes), and that languages are unitary (modelable as a single language variety). Experiment I showed that English segments are not unigram; they exhibit a 'bursty' distribution in which the local frequency varies more than expected by chance alone. Experiment II showed the English segments are approximately unitary: the natural background variation in segmental frequencies that arises within a single language variety is much larger than numerical differences across varieties. Variation in segmental frequencies seems to be driven by variation in discourse topic; topic-associated words cause bursts/lulls in local segmental frequencies. The article concludes with some methodological recommendations for comparing language samples. |
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Authors:
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Robert Daland |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-10-10 |
Journal Detail:
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Title: Journal of child language Volume: - ISSN: 1469-7602 ISO Abbreviation: J Child Lang Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0425743 Medline TA: J Child Lang Country: - |
Other Details:
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Languages: ENG Pagination: 1-32 Citation Subset: - |
Affiliation:
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UCLA Department of Linguistics. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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