一个多维计算机化适应性测试的初步开发,用于对自杀风险进行密集的纵向评估:开发和可用性研究
Kenneth McClure1, Brooke A Ammerman2, Cheng Liu3
1Department of Mathematics and Statistics, University of Wyoming, 1000 E University Ave, Laramie, WY, 82071, United States, 1 3077666831.
JMIR formative research
|November 28, 2025
概括
自杀风险路径的计算机自适应测试 (CAT-SRP) 个性化调查,减少了参与者在密集的纵向研究中的负担. 这种新方法通过有效评估多个风险领域,提高了对自杀念头的预测.
科学领域:
- 心理学科学 心理学科学
- 医学研究 医学研究
- 行为科学 行为科学
背景情况:
- 密集的纵向设计,如生态瞬间评估 (EMA),对于研究医学和行为科学中的动态过程至关重要.
- 然而,由于重复调查的参与者负担限制了EMA的范围,特别是在诸如自杀风险波动等复杂现象方面.
- 自杀风险路径计算机化适应测试 (CAT-SRP) 是为了通过个性化调查内容来解决这些局限性而开发的.
研究的目的:
- 开发,校准和试验第一个多维计算机化适应性测试 (CAT) 针对自杀念头和相关的心理社会风险因素.
- 适应现有的仪器用于密集的纵向设计,并创建一个全面的项目库.
- 评估CAT-SRP在减少参与者负担和提高自杀风险评估精度方面的表现.
主要方法:
- 一个基于网络的平台管理了CAT-SRP,从验证的仪器中调整项目,用于密集的纵向设计.
- 在一个大型社区样本 (n=1759) 中,使用多维分级响应模型校准项目参数.
- 在一项EMA研究中 (n=29) 评估了CAT-SRP,使用D-最佳项选择,双变长停止标准和MAP评分.
主要成果:
- 校准确定了2个自杀思想领域和12个风险因素领域.
- 在CAT-SRP中,项目重叠程度低至中等,参与者负担较低.
- 与传统的EMA相比,CAT-SRP显示了与传统的EMA相比,更好的近期预测自杀念头的潜力,尽管需要改进选择和停止规则.
结论:
- 在CAT-SRP有效地个性化EMA内容,减少重复性和负担在密集的纵向研究.
- 多维计算机化适应性测试 (MCAT) 提供了细微的测量,解决了EMA的零通货膨胀问题,并加强了预测关系.
- 在自杀风险研究中,CAT-SRP为密集的纵向数据收集提供了显著的方法优势.
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