项目响应理论分析和差异性项目功能社会外表焦虑量表
Tapan A Patel1, Morgan Robison1, Jesse R Cougle1
1Florida State University, Tallahassee, USA.
Assessment
|December 23, 2024
概括
社会外表焦虑量表 (SAAS) 有效地衡量了对外表的关注. 对物品反应理论的分析证实了它的有效性,尽管一些物品在它们的功能方面显示出性别差异.
科学领域:
- 心理测量 心理测量 心理测量
- 社会心理学 社会心理学
背景情况:
- 对外表的焦虑是许多人关心的一个重要问题.
- 社会外表焦虑量表 (SAAS) 是评估这些担忧的关键指标.
- 了解SAAS的心理测量特性对于其准确应用至关重要.
研究的目的:
- 评估社会外表焦虑量表 (SAAS) 的项目和规模水平的运作.
- 在SAAS中使用项目响应理论 (IRT) 调查潜在的基于性别的差异性项目功能 (DIF).
主要方法:
- 使用了对象响应理论 (IRT) 对840名大学生数据的分析.
- 在SAAS的16个项目中应用了分级响应模型.
- 进行了差异性项目功能 (DIF) 分析,以检测基于性别的响应偏差.
主要成果:
- 该SAAS展示了一个单维的因素结构,表明了对外观问题的凝聚力衡量.
- 所有的物品都表现出高效率,在一系列外观问题上区分个人.
- 四个项目按性别显示差异性项目功能 (DIF),效果大小小.
结论:
- 该SAAS是一个心理测量声音仪器,用于评估外观问题.
- 虽然一般强大,但特定的物品对男性和女性的功能不同,特别是关于内部与外部外观的体验.
- 该SAAS有效地识别出不同程度的外表焦虑的个体.
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