测量不变性和适应偏好:ICECAP-A和WeRFree仪器的证据
Jasper Ubels1,2, Michael Schlander3,4,5
1Division of Health Economics, German Cancer Research Center (DKFZ), Heidelberg, Germany. j.ubels@dkfz.de.
Health and quality of life outcomes
|November 11, 2023
概括
与幸福相关的选项自由 (WeRFree) 和ICECAP-A仪器的测量不变性测试显示了不同组的标量不变性. 这证实了它们在比较不同亚群体的福祉方面的可靠性.
科学领域:
- 健康 结果 研究 研究 结果
- 心理测量 心理测量 心理测量
- 卫生经济学 卫生经济学
背景情况:
- 自我报告工具对于评估干预效应至关重要.
- 个人可能适应逆境,可能会膨胀自我报告的幸福感.
- 测量不变性测试可以从适应的偏好中识别偏差.
研究的目的:
- 在与幸福相关的选项自由 (WeRFree) 和ICECAP-A仪器上进行测量不变性测试.
- 评估这些工具在不同的人口和健康群体的可靠性.
- 为了确定适应的偏好是否会影响福利工具中的反应.
主要方法:
- 使用多组确认因子分析来测试配置,度量,标量和剩余不变性.
- 来自多种仪器对比研究的数据按年龄,性别,教育和健康状况分层.
- 使用包括CFI,RMSEA和SRMR在内的适合性指数来评估测量不变性.
主要成果:
- WeRFree仪器在性别和教育群体中展示了完全测量不变性,并在年龄和健康群体中显示了标量不变性.
- ICECAP-A仪器显示了性别,教育和年龄组的完全测量不变性,以及健康组的标量不变性.
- 这两种仪器在所有测试的子样本中至少实现了标量不变性.
结论:
- WeRFree 和 ICECAP-A 仪器在不同亚群体中显示了标量不变性,从而可以进行有效的跨群体比较.
- 对于能力仪器,建议进行常规测量不变性测试,包括与非处境不利的参考组测试.
- 这种方法有助于确定调整的偏好是否会影响仪器响应和影响福祉评估.
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