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相关概念视频

Expected Frequencies in Goodness-of-Fit Tests01:19

Expected Frequencies in Goodness-of-Fit Tests

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A goodness-of-fit test is conducted to determine whether the observed frequency values are statistically similar to the frequencies expected for the dataset. Suppose the expected frequencies for a dataset are equal such as when predicting the frequency of any number appearing when casting a die. In that case, the expected frequency is the ratio of the total number of observations (n)  to the number of categories (k).
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Updated: Sep 14, 2025

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
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修改的连接语音测试的规范性表现函数

Yu-Ying Sung1,2, Arman Hassanpour1,2, Paula Folkeard2

  • 1Health and Rehabilitation Sciences Graduate Program, Faculty of Health Sciences, Western University, London, Ontario, Canada.

American journal of audiology
|July 21, 2025
PubMed
概括
此摘要是机器生成的。

更新的连接语音测试 (CST) 具有一般美国口音和较低的噪音底部显示了语音理解的改善. 与分开的扬声器相比,性能更好,证明了掩盖的空间释放.

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科学领域:

  • 听力学 听力学是指听力学.
  • 语音语言病理学 语言病理学
  • 精神声学是一种精神声学.

背景情况:

  • 连接式语音测试 (CST) 评估了在噪音中运行语音的理解.
  • 由Saleh等人编写的更新的CST版本. (2020) 使用普通美国口音和现代录音来减少口音效应和噪音.
  • 本研究旨在为更新的CST建立规范性数据.

研究的目的:

  • 为更新的连接语音测试 (CST) 收集规范性数据.
  • 通过不同的听觉条件来描述更新的CST上的性能.
  • 调查主观评级的语音可理解性和倾听的努力.

主要方法:

  • 40名正常听力,母语英语的成年人参与了这项研究.
  • 在各种信号到喋喋不休的比率 (SBR) 中,在多人喋喋不休的喋喋不休中呈现了语音刺激.
  • 参与者在同位和分离的扬声器条件下进行了测试,在关键词识别和主观评分上获得了绩效评分.

主要成果:

  • 参与者在分开的扬声器条件下表现明显更好,显示了掩盖的空间释放.
  • 增加SBR导致两种情况的表现改善和主观语音可理解性.
  • 较高的SBR也与减少的倾听力度有关.

结论:

  • 该研究为更新的CST提供了必要的规范性数据.
  • 结果描述了更新测试的预期性能,有助于临床和研究应用.
  • 更新后的CST提供了更精细的噪音语音理解测量.