对于目击者的准确性,有或没有语言理解能力的听众会检测到声音线索
Philip Urban Gustafsson1, Petri Laukka2,3, Hillary Anger Elfenbein4
1Department of Psychology, Stockholm University, Stockholm, Sweden. philipgustafssonresearch@gmail.com.
Communications psychology
|April 17, 2025
概括
目击者目击者目击者
科学领域:
- 法医心理学 法医心理学
- 语言学的语言学.
- 声学语音学的声音学
背景情况:
- 评估目击证人的证词准确性在刑法中至关重要.
- 非语言语言特征可能为证词真实性提供有价值的线索.
- 以前的研究还没有完全探索到对目击者的准确性普遍的声音线索.
研究的目的:
- 为了识别目击者的准确性,不同的声音标记.
- 为了确定来自不同文化背景的听众是否能够检测到这些准确性线索.
- 为了研究声调线索,感知准确性和信心之间的关系.
主要方法:
- 第1项研究分析了3344份证人陈述中的声音特征 (语音速率,暂停,振幅).
- 第二项研究涉及来自瑞典,美国和印度的观察员,他们评估了证词的准确性和可靠性.
- 对观察者的判断进行了分析,以确定其准确性,校准性和与声音线索的相关性.
主要成果:
- 当准确和自信时,目击者表现出更高的言语速度,更少的暂停,以及更大的振幅.
- 听众在判断准确性方面表现得超乎偶然,而不管语言或文化背景.
- 信心评级与准确性相关,观察到更高的校准与增加的文化亲近性.
- 观察者的信心判断与声幅有显著的相关性,表明使用了有效的线索.
结论:
- 清晰的声音标记可靠地表明目击者的准确性.
- 这些声学线索的准确性是普遍检测到跨不同的听众.
- 语音的声学分析为评估目击证人的证词可靠性提供了一个有希望的工具.
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