Effect of sample length on MLU in Mandarin-speaking hard-of-hearing children.

IF 1.7 3区教育学 Q2 EDUCATION, SPECIAL

Journal of Deaf Studies and Deaf Education Pub Date : 2024-06-24 DOI:10.1093/deafed/enae007

Chia-Ying Chu, Pei-Hua Chen, Yi-Shin Tsai, Chieh-An Chen, Yi-Chih Chan, Yan-Jhe Ciou

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Abstract

This study investigated the impact of language sample length on mean length of utterance (MLU) and aimed to determine the minimum number of utterances required for a reliable MLU. Conversations were collected from Mandarin-speaking, hard-of-hearing and typical-hearing children aged 16-81 months. The MLUs were calculated using sample sizes ranging from 25 to 200 utterances. The results showed that for an MLU between 1.0 and 2.5, 25 and 50 utterances were sufficient for reliable MLU calculations for hard-of-hearing and typical-hearing children, respectively. For an MLU between 2.5 and 3.75, 125 utterances were required for both groups. For an MLU greater than 3.75, 150 and 125 utterances were required for hard-of-hearing and typical-hearing children, respectively. These findings suggest that a greater number of utterances are required for a reliable MLU as language complexity increases. Professionals working with hard-of-hearing children should consider collecting different numbers of utterances based on the children's language complexity levels.

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样本长度对普通话重听儿童 MLU 的影响。

本研究调查了语言样本长度对平均语篇长度（MLU）的影响，旨在确定可靠的平均语篇长度所需的最少语篇数。研究收集了 16-81 个月大的普通话重听儿童和典型重听儿童的对话。计算 MLU 的样本量从 25 到 200 个语句不等。结果表明，对于听力困难儿童和典型听力儿童来说，当 MLU 介于 1.0 和 2.5 之间时，分别用 25 和 50 个语段就足以计算出可靠的 MLU。如果多语言单位介于 2.5 和 3.75 之间，两组儿童都需要 125 个语句。当 MLU 超过 3.75 时，重听儿童和典型听力儿童分别需要 150 和 125 个语句。这些结果表明，随着语言复杂程度的增加，需要更多的语篇才能获得可靠的 MLU。从事重听儿童工作的专业人员应考虑根据儿童的语言复杂程度收集不同数量的语句。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Deaf Studies and Deaf Education Multiple-

CiteScore

3.40

自引率

10.00%

发文量

期刊介绍： The Journal of Deaf Studies and Deaf Education is a peer-reviewed scholarly journal integrating and coordinating basic and applied research relating to individuals who are deaf, including cultural, developmental, linguistic, and educational topics. JDSDE addresses issues of current and future concern to allied fields, encouraging interdisciplinary discussion. The journal promises a forum that is timely, of high quality, and accessible to researchers, educators, and lay audiences. Instructions for contributors appear at the back of each issue.