在瑞典儿童中语言环境分析的验证
Sandra Nilsson1, Elisabet Östlund2,3, Yvonne Thalén4
1Children and Education Administration, Falu Municipality, Falun, Sweden.
Journal of speech, language, and hearing research : JSLHR
|March 18, 2025
概括
语言环境分析 (LENA) 工具可靠地测量了儿童对瑞典语的语言接触. 它准确地估计了11-29个月龄的儿童的成年人单词数和儿童发音数.
科学领域:
- 儿童语言学习的研究研究.
- 语音语言病理学 语言病理学
- 发展心理学是发展心理学.
背景情况:
- 语言环境分析 (LENA) 系统提供了对儿童语言接触的自动分析.
- 对于研究和临床干预来说,LENA至关重要,测量成人单词数 (AWC) 和儿童发音数 (CVC).
- 之前的验证研究证实了LENA在各种语言中的实用性,但其在瑞典的可靠性需要具体的评估.
研究的目的:
- 验证LENA系统在分析瑞典语环境中的语言环境时的可靠性.
- 将AWC和CVC的自动化LENA估计与人类转录进行比较.
- 评估LENA对涉及瑞典语儿童的研究和临床应用的适用性.
主要方法:
- 36名11-29个月龄的儿童参与了这项研究.
- 总共收集和分析了540分钟的音频录音.
- 语音语言病理学家和教育工作者的人类转录被用作评估LENA自动估计的基准.
主要成果:
- 对于CVC和AWC,LENA的自动估计显示了与人类转录的显著相关性 (分别r=0.79和0.82;p<.001).
- 对CVC的评价者间可靠性非常高 (ICC = .97),而AWC显示出良好的可靠性 (ICC = .82).
- 这些发现表明,LENA的自动化分析与瑞典语的人类转录之间存在很强的一致性.
结论:
- 莱纳系统是一个可靠的工具,用于评估11-29个月的瑞典语儿童的语言环境.
- 经过验证的LENA性能支持其在瑞典的临床干预和研究中使用.
- 建议进行进一步的验证研究,特别是对较年轻的婴儿进行验证,以扩大对LENA能力的理解.
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