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追踪观察一名婴儿(6～20个月),分析其中看护者的言语输入特征及婴儿早期词汇获得的发展变化。主要对成人言语输入中动、名词比例、单词在句中的位置、具体环境等因素及婴儿早期动、名词理解和产生等方面进行探讨。结果显示,成人言语输入中动词比例显著高于名词,更多动词位于句首或句尾使得主语和宾语省略;同时,这种动词优势的输入特征促进儿童早期动词获得,使得婴儿早期语言样本中动、名词理解相对比例与成人言语输入一致。这一结果表明,婴儿词汇发展初期就已经利用言语或社会线索,同时这种早期词汇组成中较高的动词比例进一步支持“名词优势”理论存在跨语言差异。
Follow-up observation of a baby (6-20 months), analysis of the characteristics of caregivers verbal input and the development of early infants vocabulary. Mainly to adult speech input in the move, the proportion of nouns, the word in the sentence position, the specific environment and other factors and early infancy, nouns to understand and produce and so on. The results showed that the proportion of verbs in adult verbal input was significantly higher than that of nouns, more verbs were located at the beginning of the sentence or the end of sentence so that the subject and object were omitted. At the same time, the input features of this verbal dominance promoted the acquisition of early verbs in children, Action, the relative proportion of noun understanding and adult speech input. This result suggests that infant or early census leverages the verbal or social clues and that the higher proportion of verbs in this early lexical composition further supports the cross-linguistic differences in nounsadvantage theory.