将没有努力的反应视为缺失的处理
1James Madison University, Harrisonburg, VA, USA.
Educational and psychological measurement
|December 2, 2024
概括
如果缺失是随机的,根据努力调节模型将快速猜测 (RG) 视为缺失的数据是有效的. 在分析RG响应时,标准模型存在风险偏差.
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
- 认知心理学 认知心理学
背景情况:
- 快速猜测 (RG) 响应在评估中很常见.
- 标准物品响应理论 (IRT) 模型通常将RG响应视为有效的.
- 努力调节模型为处理 RG 响应提供了一个替代框架.
研究的目的:
- 调查如何将快速猜测 (RG) 响应作为努力调节模型中的缺失数据的处理.
- 为了证明在哪些条件下,RG反应可以被视为随机缺失 (MAR).
- 在处理 RG 响应时,将努力调节模型引入的偏差与标准 IRT 模型进行比较.
主要方法:
- 使用说明性示例来展示努力适度模型的理论基础.
- 该研究分析了随机缺失 (MAR) 和随机完全缺失 (MCAR) 的假设,与RG反应相关.
- 进行模拟或分析,以根据不同的建模方法比较能力估计.
主要成果:
- 努力调节模型假设随机缺失 (MAR),不完全随机缺失 (MCAR),对于RG反应.
- 当RG响应在努力调节模型中的MAR假设下被视为缺失数据时,能力估计仍然不偏见.
- 标准IRT模型,将RG响应评分为有效,引入了重大偏差,包括低估组平均值和高估标准偏差.
结论:
- 精力调节模型提供了一个统计学上可靠的方法,用于将快速猜测 (RG) 当作为缺失数据处理时进行核算.
- 正确考虑RG响应的缺失机制对于准确的能力估计至关重要.
- 错误地将标准IRT模型应用于RG响应可能会导致大量的测量偏差.
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