应答转移和测量不变度的慢性压力度量表
Wan-Chin Kuo1, Rachel Hawn1, Roger L Brown1
1University of Wisconsin-Madison, USA.
概括
慢性压力量表 (CSS) 显示出良好的项目可靠性,但在种族,年龄和时间之间具有显著的差异性项目功能 (DIF). 这表明,在不同群体之间和随着时间的推移比较压力得分时,需要谨慎.
科学领域:
- 心理测量 心理测量
- 社会学 社会学 社会学
- 公共卫生 公共卫生
背景情况:
- 托克塞尔的慢性压力量表 (CSS) 经常用于压力和健康的比较研究.
- CSS在人口群体和时间上的测量不变性以前没有被确立.
- 了解CSS中的潜在偏见对于精确的压力健康关系研究至关重要.
研究的目的:
- 为了评估慢性压力级 (CSS) 的测量不变性.
- 通过年龄,性别,种族,民族和时间来检查CSS的潜在差异性项目功能 (DIF).
- 在多种人群和纵向研究中提供CSS的适当使用信息.
主要方法:
- 利用了来自健康和退休研究 (N = 2,263) 的纵向数据.
- 雇佣了拉什的评级规模模型来评估差异性项目功能 (DIF).
- 评估模型适合使用内装/外装统计,人/物品分离和可靠性指数.
主要成果:
- CSS表现出强大的项目可靠性,但人可靠性较差.
- 住房压力 (种族),自我健康和职业压力 (年龄) 和财务压力 (暂时性) 发现了显著的DIF.
- 这些发现表明,在种族群体,年龄群体和时间点之间,尺度可能会有不同的功能.
结论:
- 虽然CSS证明了良好的项目可靠性,但在种族,年龄和时间方面存在显著的DIF.
- 研究人员应该谨慎地比较来自CSS的复合或项目分数在不同人群和时间段.
- 该研究强调了在使用CSS进行比较和纵向研究时,需要仔细考虑测量不变性.
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