全日录音对演讲和语言发展的自然主义评估的可预测性
1Division of Speech Pathology and Audiology, Research Institute of Audiology and Speech Pathology, Hallym University, Chuncheon, Gangwon-do, South Korea.
Journal of speech, language, and hearing research : JSLHR
|April 15, 2024
概括
早期的语言环境测量,包括来自语言环境分析 (LENA) 的对话转数 (CTC),预测了韩语学习婴儿的后来的词汇和语音发展. 这些发现强调了数量和质量语言输入对儿童语言学习的重要性.
科学领域:
- 儿童语言习得 儿童语言习得
- 发展语言学是发展语言学.
- 语音语言病理学 语言病理学
背景情况:
- 早期的语言接触显著影响孩子的语言发展轨迹.
- 语言前阶段对于建立基础语言技能至关重要.
- 评估语言环境和声乐发育,提供了对发育预测因素的洞察.
研究的目的:
- 调查语言环境分析 (LENA) 的预测能力,从语言前阶段对韩语学习儿童的后续语音和语言发展进行测量.
- 确定LENA自动化和人为编码的6-8个月和12-14个月的测量是否预测18-20个月的词汇和语音发展.
主要方法:
- 采集了20名韩国获取儿童在6-8岁,12-14岁和18-20个月的家庭一天录音,使用LENA录音机.
- 从早期录音中利用了LENA自动化测量 (例如,对话转数,儿童发音数) 和人类编码 (例如,成年人单词数,儿童定向语音比率,规范语比率).
- 在18-20个月进行了相关性和多重回归分析,以评估与词汇 (不同单词的数量) 和语音指标 (辅音库存,发言结构库存) 的预测关系.
主要成果:
- 通过LENA自动化测量,特别是对话转数 (CTC) 和儿童发音数,与所有后来的词汇和语音测量正相关.
- 在语言前阶段的CTC出现了作为最重要的词汇多样性,辅音库存和18-20个月的发言结构复杂性的预测因素.
- 成人的词数,儿童指导的语音比率和规范的喋喋不休比率也显著预测了某些词汇和语音结果.
结论:
- 早期的语言环境,特别是对话互动模式,在预测后来的语言发展方面发挥着至关重要的作用.
- 语言输入的定量 (例如,转数) 和定性 (例如,成年人词数,语音比率) 方面对于理解早期语言发展是有价值的.
- 这些发现强调了评估语言学习的整体方法,将各种措施整合起来,以获得全面的理解.
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