Modeling individual differences in vocabulary development: A large-scale study on Japanese heritage speakers
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https://hdl.handle.net/10037/35508Date
2024-09-29Type
Journal articleTidsskriftartikkel
Peer reviewed
Abstract
This study examines when the vocabulary knowledge of Japanese heritage speakers
(HSs; N=427, Mage=9.96, female=213) begins to diverge from monolingual
counterparts (N=136, Mage=6.69, female=65) and what factors explain individual
differences in HS development. Vocabulary of HSs began to diverge from 5.61 years
and this difference lasted until they were young adults. We also administered a
fit-for-purpose questionnaire in 2021–2023 and identified six experiential latent
factors: Holiday, School, Community, Proficiency, Literacy, and Home. Structural
modeling indicates that Holiday predicted vocabulary scores, while Holiday and
Literacy predicted Proficiency. Our findings highlight the importance of immersion
experiences and literacy engagement for heritage language development.
Publisher
WileyCitation
Kubota, Rothman. Modeling individual differences in vocabulary development: A large-scale study on Japanese heritage speakers. Child Development. 2024:1-16Metadata
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