两个构造的故事:绩效的确认因素分析和症状有效性测试
Michael R Basso1, Savanna M Tierney1, Brad L Roper2
1Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, USA.
Journal of clinical and experimental neuropsychology
|November 11, 2024
概括
性能有效性 (PV) 和症状有效性 (SV) 是情绪障碍患者的不同构造,表明需要单独的评估. 了解这些差异对于准确的神经心理测试解释至关重要.
科学领域:
- 神经心理学 神经心理学
- 精神病学是一个精神病学.
- 心理测量 心理测量 心理测量
背景情况:
- 性能有效性 (PV) 和症状有效性 (SV) 测试用于检测神经心理评估中的偏见反应.
- 需要进一步澄清PV和SV之间的关系,特别是在法医环境之外的精神病患者群体中.
- 使用确认因素分析来调查PV和SV之间的结构重叠.
研究的目的:
- 为了确定表现有效性和症状有效性是否代表精神病患者的心情障碍的重叠或独特结构.
- 为了比较检查PV和SV之间的关系的两个模型:一个自由估计共享方差,另一个假设均性.
主要方法:
- 82名被诊断患有情绪障碍的住院患者参与了这项研究.
- 使用单词记忆测试 (WMT) 评估了性能有效性.
- 症状有效性是使用虚假坏评级 (FBS),响应偏差评级 (RBS) 和来自明尼苏达州多相人格库存-2 (MMPI-2) 的亨利-海尔布伦纳指数 (HHI) 来衡量的.
主要成果:
- 具有PV和SV之间的自由估计协变率的模型显示出极好的匹配 (CFI=0.098,TLI=0.096,SRMR=0.08) 的协变率为-0.18.
- 假设同质关系的模型 (固定共变率=1.0) 显示出不良匹配 (CFI=0.66,TLI=0.43,SRMR=0.42).
- 用于SV (RBS,HHI,FBS) 的尺度在固定的模型中对SV构造的负载较低.
结论:
- 性能有效性 (PV) 和症状有效性 (SV) 在住院患有情绪障碍的患者中不是重叠的构造.
- 这些发现表明,PV和SV是这个患者群体中不同的构造.
- 这些结果对临床实践有影响,涉及神经心理学测试分数的解释.
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