通过Rasch模型研究评级尺度的运作
Daiana Colledani1, Adriana P González Pizzio2, Maria Devita1
1University of Padova, Veneto, Italy.
Assessment
|April 24, 2024
概括
评级表可能不能按预期工作. 这项研究在大类尺度中发现了"值障碍",敦促对尺度功能进行经验验证以进行准确的测量.
科学领域:
- 心理测量 心理测量 心理测量
- 测量理论 测量理论
背景情况:
- 评级尺度假设类别反映了越来越多的潜在变量.
- 拉什模型使用值来测试这个假设.
研究的目的:
- 在大类评级尺度中实证测试单调值假设.
- 在常用的尺度上识别潜在的运行问题.
主要方法:
- 使用Rash模型来订购多种类型的物品.
- 分析了跨类别单调进步的值参数.
- 检查了8分的患者健康问卷-9级和10分的行为宗教程度.
主要成果:
- 在患者健康问卷-9和行为宗教度量表中观察到值障碍.
- 表示大类评级尺度可能无法按预期运行.
- 证明了对评级尺度功能障碍的经验检测.
结论:
- 实践者不应该假设评级表的功能正确.
- 对评级规模值的实证验证对于有效的测量至关重要.
- 值障碍标志着需要重新评估尺度设计或应用.
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