一种通用的多探测器组合方法,用于差异性物品功能检测
1Nagoya University, Japan.
Applied psychological measurement
|December 23, 2024
概括
一种新的多探测器组合 (MDC) 方法提高了差异物品功能 (DIF) 检测准确度. MDC集成了多种方法,在各种测试条件下优于单一检测方法 (SDM) 进行可靠的DIF分析.
科学领域:
- 心理测量 心理测量 心理测量
- 教育测量教育的测量
- 统计建模 统计建模
背景情况:
- 差异物品功能 (DIF) 检测对于公平测试至关重要.
- 针对DIF的单一检测方法 (SDM) 由于未满足的假设而存在局限性.
- 低于最佳的SDM选择可以降低DIF检测准确度.
研究的目的:
- 引入和验证用于DIF检测的新型多探测器组合 (MDC) 方法.
- 与SDM相比,评估MDC的准确性和稳定性.
- 为了减轻与选择单一,可能不合适的DIF检测方法相关的风险.
主要方法:
- 开发了一种MDC方法,使用监督学习集成多个SDM.
- 在MDC框架内应用了五种类型的SDM和四种监督学习方法.
- 使用曲线下的面积 (AUC) 度量来评估模型性能.
主要成果:
- MDC 方法始终实现了比 SDM 更高的平均 AUC 值.
- 在匹配和不匹配的测试组中,MDC表现出卓越的性能.
- 在所有测试条件下,MDC在所有测试条件下都超过了所有单独的SDM,表明了高精度和稳定性.
结论:
- 拟议的MDC方法是用于DIF检测的高度准确和可靠的方法.
- MDC有效地减轻了依赖单一检测方法的局限性.
- 在各种测试场景中,MDC为实际的DIF分析提供了可行的和改进的解决方案.
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