Word Learning in Infant- and Adult-Directed Speech.
Word Learning in Infant- and Adult-Directed Speech.
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DOI：
10.1080/15475441.2011.579839
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发表时间：
2011
期刊：
影响因子：
--
通讯作者：
Hirsh-Pasek K
中科院分区：
文献类型：
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作者：
Ma W;Golinkoff RM;Houston D;Hirsh-Pasek K
婴儿导向言语（IDS）与成人导向言语（ADS）相比，具有语速慢、基频高、音高变化大、停顿时间长、语调结构重复、句子短等特点。尽管有关于IDS特性的研究，但没有直接证明其对婴儿单词学习的影响。本研究探讨了21个月和27个月大的儿童是否在IDS中比在ADS中更好地学习新单词。有两个主要发现。首先，21个月大的孩子只在IDS条件下可靠地学习单词，尽管词汇量相对较大的孩子也在ADS条件下学习。第二，27个月大的婴儿在ADS条件下可靠地学习了单词。这些结果支持了隐含的假设，即IDS实际上促进了词汇习得开始时的词映射，其影响随着语言的发展而减弱。
Infant-directed speech (IDS), compared with adult-directed speech (ADS), is characterized by a slower rate, a higher fundamental frequency, greater pitch variations, longer pauses, repetitive intonational structures, and shorter sentences. Despite studies on the properties of IDS, there is no direct demonstration of its effects for word learning in infants. This study examined whether 21- and 27-month-old children learned novel words better in IDS than in ADS. Two major findings emerged. First, 21-month-olds reliably learned words only in the IDS condition, although children with relatively larger vocabulary than their peers learned in the ADS condition as well. Second, 27-month-olds reliably learned the words in the ADS condition. These results support the implicitly held assumption that IDS does in fact facilitate word mapping at the start of lexical acquisition and that its influence wanes as language development proceeds.