Spanish-speaking caregivers' use of referential labels with toddlers is a better predictor of later vocabulary than their use of referential gestures.
Spanish-speaking caregivers' use of referential labels with toddlers is a better predictor of later vocabulary than their use of referential gestures.
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讲西班牙语的看护者对幼儿使用指称标签比他们使用指称手势更能预测以后的词汇量。
DOI：
10.1111/desc.13354
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发表时间：
2023-07
影响因子：
3.7
通讯作者：
Fernald, Anne
中科院分区：
文献类型：
--
作者：
Bang, Janet Y.;Bohn, Manuel;Ramirez, Joel, Jr.;Marchman, Virginia A.;Fernald, Anne
Variation in how frequently caregivers engage with their children is associated with variation in children’s later language outcomes. One explanation for this link is that caregivers use both verbal behaviors, such as labels, and non-verbal behaviors, such as gestures, to help children establish reference to objects or events in the world. However, few studies have directly explored whether language outcomes are more strongly associated with referential behaviors that are expressed verbally, such as labels, or non-verbally, such as gestures, or whether both are equally predictive. Here, we observed caregivers from 42 Spanish-speaking families in the US engage with their 18-month-old children during 5-min lab-based, play sessions. Children’s language processing speed and vocabulary size were assessed when children were 25 months. Bayesian model comparisons assessed the extent to which the frequencies of caregivers’ referential labels, referential gestures, or labels and gestures together, were more strongly associated with children’s language outcomes than a model with caregiver total words, or overall talkativeness. The best-fitting models showed that children who heard more referential labels at 18 months were faster in language processing and had larger vocabularies at 25 months. Models including gestures, or labels and gestures together, showed weaker fits to the data. Caregivers’ total words predicted children’s language processing speed, but predicted vocabulary size less well. These results suggest that the frequency with which caregivers of 18-month-old children use referential labels, more so than referential gestures, is a critical feature of caregiver verbal engagement that contributes to language processing development and vocabulary growth.
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影响因子：
2.2
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Casillas, Marisa;Brown, Penelope;Levinson, Stephen C.
通讯作者：
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Hurtado N;Marchman VA;Fernald A
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Fernald A
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Tor, Shaelise
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Choi, S
通讯作者：
Choi, S
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