NDLI: Variation in the input: a case study of manner class frequencies

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Variation in the input: a case study of manner class frequencies

Content Provider	Scilit
Author	Daland, Robert
Copyright Year	2012
Description	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.
Related Links	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3798116/pdf https://www.cambridge.org/core/services/aop-cambridge-core/content/view/54ED7A496209C4763BDE0DB69D149143/S0305000912000372a.pdf/div-class-title-variation-in-the-input-a-case-study-of-manner-class-frequencies-a-href-fn01a-ref-type-fn-a-div.pdf
Ending Page	1122
Page Count	32
Starting Page	1091
ISSN	03050009
e-ISSN	14697602
DOI	10.1017/s0305000912000372
Journal	Journal of Child Language
Issue Number	5
Volume Number	40
Language	English
Publisher	Cambridge University Press (CUP)
Publisher Date	2013-11-01
Access Restriction	Open
Subject Keyword	Journal of Child Language Language Studies Mathematical Psychology
Content Type	Text
Resource Type	Article
Subject	Experimental and Cognitive Psychology Developmental and Educational Psychology Linguistics and Language

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