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Stokes, Stephanie F.; de Bree, Elise; Kerkhoff, Annemarie; Momenian, Mohammad; Zamuner, Tania – Journal of Speech, Language, and Hearing Research, 2019
Purpose: Children come to understand many words by the end of their 1st year of life, and yet, generally by 12 months, only a few words are said. In this study, we investigated which linguistic factors contribute to this comprehension-expression gap the most. Specifically, we asked the following: Are phonological neighborhood density, semantic…
Descriptors: Phonology, Semantics, Infants, Language Processing
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Jones, Samuel David; Brandt, Silke – Journal of Speech, Language, and Hearing Research, 2019
Purpose: This study reexamines the claim that difficulty forming memories of words comprising uncommon sound sequences (i.e., low phonological neighborhood density words) is a determinant of delayed expressive vocabulary development (e.g., Stokes, 2014). Method: We modeled communicative development inventory data from (N = 442) 18-month-old…
Descriptors: Delayed Speech, Expressive Language, Correlation, Vocabulary Development
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Jones, Samuel David – First Language, 2020
High rates of error and variability in early word production may signal speech sound disorder. However, there is little consensus regarding the degree of error and variability that may be expected in the typical range. Relatedly, while variables including child age, word frequency and word phonological neighbourhood density are associated with…
Descriptors: Native Language, Age Differences, Vocabulary Development, Computational Linguistics
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Bleses, Dorthe; Vach, Werner; Dale, Philip S. – Journal of Child Language, 2018
Vocabulary input frequency influences age of acquisition, and is also an essential control for investigating the influence of other factors. We propose a new method of frequency estimation, self-report. 918 Danish-speaking parents of 12-36-month-old children estimated their frequency of use of 725 words. Self-report was substantially correlated…
Descriptors: Vocabulary Development, Linguistic Input, Indo European Languages, Parent Child Relationship
Ma, Weiyi; Zhou, Peng; Golinkoff, Roberta Michnick; Lee, Joanne; Hirsh-Pasek, Kathy – First Language, 2019
The syntactic structure of sentences in which a new word appears may provide listeners with cues to that new word's form class. In English, for example, a noun tends to follow a determiner ("a"/"an"/"the"), while a verb precedes the morphological inflection [ing]. The presence of these markers may assist children in…
Descriptors: Syntax, Cues, Mandarin Chinese, Verbs
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Longobardi, Emiddia; Spataro, Pietro; Pecora, Giulia; Bellagamba, Francesca – First Language, 2019
This cross-sectional study investigated the use of four verbal indices of social knowledge (personal pronouns, verb conjugations, people words and mental state language) and their concurrent relations in a sample of 287 Italian-speaking children between 18 and 36 months. Results showed that the production of all indices increased with age. Mental…
Descriptors: Italian, Native Language, Form Classes (Languages), Verbs