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Tang, Ping; Yuen, Ivan; Xu Rattanasone, Nan; Gao, Liqun; Demuth, Katherine – Journal of Child Language, 2019
Weak syllables in Germanic and Romance languages have been reported to be challenging for young children, with syllable omission and/or incomplete reduction persisting till age five. In Mandarin Chinese, neutral tone (T0) involves a weak syllable with varied pitch realizations across (preceding) tonal contexts and short duration. The present study…
Descriptors: Syllables, Mandarin Chinese, Tone Languages, Intonation
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Miles, Kelly; Yuen, Ivan; Cox, Felicity; Demuth, Katherine – Journal of Child Language, 2016
English has a word-minimality requirement that all open-class lexical items must contain at least two moras of structure, forming a bimoraic foot (Hayes, 1995).Thus, a word with either a long vowel, or a short vowel and a coda consonant, satisfies this requirement. This raises the question of when and how young children might learn this…
Descriptors: Foreign Countries, Child Language, English, Suprasegmentals
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Yuen, Ivan; Miles, Kelly; Cox, Felicity; Demuth, Katherine – Journal of Child Language, 2015
Young children's first attempts at CVC words are often realized with the final consonant being heavily aspirated or followed by an epenthetic vowel (e.g. "cat"/kaet/ realized as [kaet[superscript h]] or [kaet[superscript ?]]). This has led some to propose that young children represent word-final (coda) consonants as an onset-nucleus…
Descriptors: Young Children, Case Studies, Child Language, Syllables
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Kline, Melissa; Demuth, Katherine – Journal of Child Language, 2014
To understand how children develop adult argument structure, we must understand the nature of syntactic and semantic representations during development. The present studies compare the performance of children aged 2;6 on the two intransitive alternations in English: patient ("Daddy is cooking the food"/"The food is cooking")…
Descriptors: Syntax, Generalization, Novelty (Stimulus Dimension), Verbs
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Evans, Karen E.; Demuth, Katherine – Journal of Child Language, 2012
Pronoun reversal, the use of "you" for self-reference and "I" for an addressee, has often been associated with Autism Spectrum Disorder (ASD) and impaired language. However, recent case studies have shown the phenomenon also to occur in typically developing and even precocious talkers. This study examines longitudinal corpus data from two…
Descriptors: Individual Differences, Semantics, Form Classes (Languages), Autism
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Demuth, Katherine – Journal of Child Language, 2011
Stoel-Gammon (this issue) provides a welcome addition to the phonological acquisition literature, bringing together insights from long-standing and more recent research to address the relationship between the developing phonological system and the developing lexicon. A growing literature on children's early use of words across languages and…
Descriptors: Language Research, Phonology, Vocabulary Development, Cross Cultural Studies
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Demuth, Katherine; McCullough, Elizabeth – Journal of Child Language, 2009
Researchers have long been puzzled by children's variable omission of grammatical morphemes, often attributing this to a lack of semantic or syntactic competence. Recent studies suggest that some of this variability may be due to phonological constraints. This paper explored this issue further by conducting a longitudinal study of five…
Descriptors: Syntax, Morphemes, English, Form Classes (Languages)
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Demuth, Katherine; McCullough, Elizabeth – Journal of Child Language, 2009
Studies of English and German find that children tend to acquire word-final consonant clusters before word-initial consonant clusters. This order of acquisition is generally attributed to articulatory, frequency and/or morphological factors. This contrasts with recent experimental findings from French, where two-year-olds were better at producing…
Descriptors: Speech Communication, Speech, Phonemes, Phonology
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Demuth, Katherine; Tremblay, Annie – Journal of Child Language, 2008
Researchers have long noted that children's grammatical morphemes are variably produced, raising questions about when and how grammatical competence is acquired. This study examined the spontaneous production of determiners by two French-speaking children aged 1 ; 5-2 ; 5. It found that determiners were produced earlier with monosyllabic words,…
Descriptors: Speech Communication, Form Classes (Languages), Morphemes, Grammar
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Kirk, Cecilia; Demuth, Katherine – Journal of Child Language, 2005
Effects of negative input for 13 categories of grammatical error were assessed in a longitudinal study of naturalistic adult-child discourse. Two-hour samples of conversational interaction were obtained at two points in time, separated by a lag of 12 weeks, for 12 children (mean age 2;0 at the start). The data were interpreted within the framework…
Descriptors: Grammar, Language Acquisition, Phonemes, Longitudinal Studies
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Demuth, Katherine; Machobane, 'Malillo; Moloi, Francina – Journal of Child Language, 2003
Theorists of language acquisition have long debated the means by which children learn the argument structure of verbs (e.g. Bowerman, 1974, 1990; Pinker, 1984, 1989; Tomasello, 1992). Central to this controversy has been the possible role of verb semantics, especially in learning which verbs undergo dative-shift alternation in languages like…
Descriptors: Language Acquisition, Verbs, Semantics, African Languages
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Dabrowska, Ewa; Demuth, Katherine; Dressler, Wolfgang U.; Kilani-Schoch, Marianne; Echols, Catharine H.; Leonard, Laurence B.; Lleo, Conxita; Lopez-Ornat, Susana; Menn, Lise; Feldman, Andrea; Radford, Andrew; Veneziano, Edy; Vihman, Marilyn May; Velleman, Shelley L. – Journal of Child Language, 2001
Various commentaries are included in response to an article on filler syllables and their status in emerging grammar. (Author/VWL)
Descriptors: Child Language, Developmental Stages, Generalization, Grammar
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Demuth, Katherine – Journal of Child Language, 1993
Results of a longitudinal case study of a monolingual Sesotho-speaking boy show that rule-assigned tone on subject markers is marked appropriately by age two. Underlying tonal representations on verb roots are learned gradually over time, showing an early Default High tone pattern. (Contains 51 references.) (Author)
Descriptors: Age Differences, Bantu Languages, Case Studies, Child Language
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Demuth, Katherine – Journal of Child Language, 1990
Analysis of Sesotho-speaking children's spontaneous language showed that the acquisition of passives was closely linked to the fact that Sesotho subjects must be discourse topics. It is suggested that a detailed analysis of how passive constructions interact with other components of a given linguistic system is critical for developing coherent and…
Descriptors: Bantu Languages, Caregiver Speech, Child Language, Language Acquisition