典型儿童30至119个月的语言发育III:说话速度与可理解性之间的相互作用
Tristan J Mahr1, Paul J Rathouz2, Katherine C Hustad1,3
1Waisman Center, University of Wisconsin-Madison.
Journal of speech, language, and hearing research : JSLHR
|December 16, 2024
概括
孩子 孩子 孩子 孩子
科学领域:
- 儿童语言发展 儿童语言发展
- 演讲制作 演讲制作
- 语音学和语音学 语音学和语音学
背景情况:
- 建立了语音可理解性和表达率的发育基准.
- 关于这些变量在个体儿童之间的相互作用的研究有限.
研究的目的:
- 在典型发育的儿童中检查语音可理解性和说话速度之间的相互作用.
- 评估儿童习惯性语音生产中是否存在速度-准确性权衡.
主要方法:
- 从538名典型发育的儿童 (年龄为2,69;11) 收集了语音样本.
- 通过听众的文字转录来测量可理解性.
- 计算的说话速度,以每秒音节为单位.
- 使用回归模型分析年龄,发言长度和说话速度对理解能力的影响.
主要成果:
- 总体上,理解能力和说话率之间存在积极的相关性,随着年龄的调整而减弱.
- 可理解性随着年龄的增长而增加,并随着发言的长度而减少.
- 随着说话速度的增加,理解能力的下降趋势,特别是在更长的发言中.
- 大多数儿童表现出说话速度对个人层面的可理解性产生负面影响.
结论:
- 这些发现支持了儿童语音产生的速度-准确性权衡的假设.
- 增加的说话速度与减少的发音准确性和可理解性有关.
- 需要进一步的研究才能将这些发现应用于临床环境中.
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