Novel word learning at 21 months predicts receptive vocabulary outcomes in later childhood.

Novel word learning at 21 months predicts receptive vocabulary outcomes in later childhood.
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21 个月时的新词学习可预测儿童后期接受词汇的结果。

DOI:
10.1017/s0305000918000600
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发表时间:
2019
影响因子:
2.2
通讯作者:
Schwartz,RichardG
Schwartz,RichardG
中科院分区:
人文科学3区
文献类型:
--
作者:
Rajan,Vinaya;Konishi,Haruka;Ridge,Katherine;Houston,DerekM;Golinkoff,RobertaMichnick;Hirsh-Pasek,Kathy;Eastman,Nancy;Schwartz,RichardG

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早期语言技能的几个方面,包括父母报告的词汇测量、音素辨别、语音切分和词汇获取速度,都可以预测儿童以后的语言结果。到目前为止,还没有研究检验新词学习的长期预测效度。我们考察了21个月时新词学习的个体差异是否能预测儿童后期的接受性词汇结果,而不是一般的认知能力。28名21个月大的婴儿被教授了新词,使用的是多式联运优先外观范例的改进版。17名儿童(7-10岁)返回参加纵向随访。婴儿期的新词学习可以解释儿童接受性词汇的22%的变异,但不能预测儿童后期的视觉空间能力或非语言智商。这些结果表明,将新奇的声音模式与新奇的物体联系起来的能力,这是单词学习过程的一个指标,对于长期掌握语言可能特别重要。
Several aspects of early language skills, including parent-report measures of vocabulary, phoneme discrimination, speech segmentation, and speed of lexical access predict later childhood language outcomes. To date, no studies have examined the long-term predictive validity of novel word learning. We examined whether individual differences in novel word learning at 21 months predict later childhood receptive vocabulary outcomes rather than generalized cognitive abilities. Twenty-eight 21-month-olds were taught novel words using a modified version of the Intermodal Preferential Looking Paradigm. Seventeen children (range 7–10 years) returned to participate in a longitudinal follow-up. Novel word learning in infancy uniquely accounted for 22% of the variance in childhood receptive vocabulary but did not predict later childhood visuospatial ability or non-verbal IQ. These results suggest that the ability to associate novel sound patterns to novel objects, an index of the process of word learning, may be especially important for long-term language mastery.
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