视觉与口头:在隐藏信息测试中评估探测器在不同模式和时间延迟中的有效性
Yi-Chen Tsai1, Yu-Hui Lo2, Philip Tseng3
1School of Nutrition and Health Sciences, Taipei Medical University, Taipei, Taiwan.
Memory & cognition
|August 26, 2025
概括
隐藏信息测试 (CIT) 有效地使用熟悉的犯罪细节来检测欺骗. 虽然图片和文字线索都同样有效, 但两个星期的延迟显著降低了测试的准确性.
科学领域:
- 法医心理学
- 认知心理学
- 检测欺骗行为
背景情况:
- 隐藏信息测试 (CIT) 或有罪知识测试 (GKT) 是一种欺骗检测方法.
- 它依赖于对熟悉的,犯罪特征的识别记忆.
- 基于反应时间的CIT有效性受记忆和刺激类型的影响.
研究的目的:
- 在基于反应时间的CIT中调查与口头犯罪相关的图像项目 (Probes) 的性能.
- 评估时间延迟 (即时与2周) 对CIT疗效的影响.
- 确定记忆衰退如何影响欺骗检测的准确性.
主要方法:
- 参与者观看模拟犯罪,并使用与犯罪相关的语言或图像刺激进行测试.
- 组分为立即或2周的延迟条件.
- 使用接受器操作特征 (ROC) 分析和曲线下的面积 (AUC) 来评估诊断准确性.
主要成果:
- 在所有疾病中发现了显著的探针无关反应时间 (RT) 差异.
- 立即测试条件显示AUC比延迟2周条件高.
- 在图像和口头探测器之间没有发现诊断准确性的显著差异.
结论:
- 在图像和语言刺激中,可以立即观察到CIT效应,并在两周的延迟后进行观察.
- 虽然刺激方式不会影响CIT的有效性,但延迟两周会显著降低它的准确性.
- 对经历事件的视觉记忆支持CIT,但时间延迟会降低性能.
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