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使用项目响应理论来开发护理工作指数的缩短实践环境尺度
Aoyjai P Montgomery1, Caitlin M Campbell2, Andres Azuero2
1Department of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama, USA.
Research in nursing & health
|May 30, 2023
概括
护理工作指数实践环境规模 (PES-NWI) 的一个较短的20项版本是使用项目响应理论开发的. 这种修订后的尺度保持了有效性和可靠性,同时减少了护士工作环境评估的受访者负担.
科学领域:
- 护理研究 护理研究
- 心理测量 心理测量 心理测量
- 医疗保健服务研究 医疗服务研究
背景情况:
- 护士工作指数 (PES-NWI) 的31项实践环境规模被广泛用于评估护士的工作环境.
- 它的长度可能会导致显著的受访者负担,需要一个更简洁的版本.
研究的目的:
- 使用项目响应理论 (IRT) 开发和验证PES-NWI的更简短版本.
- 为了减少受访者负担,同时保持仪器的心理测量特性.
主要方法:
- 项目响应理论 (IRT) 应用于两个大型的,独立的美国护士样本.
- 训练数据集用于项目减少,验证数据集 (内部和外部) 用于确认缩小尺度的心理特征.
- 进行了确认因素分析,以评估测量模型的有效性.
主要成果:
- 确定了PES-NWI的20项版本,从原来的31项规模中删除了11项.
- 确认因素分析在两个验证数据集中支持了20项模型的有效性.
- 在31项和20项版本的子尺度之间观察到高相关性 (τ = 0.84 0.89),表明结构相似.
结论:
- 20项PES-NWI证明了足够的有效性和可靠性.
- 缩短版本有效地减少了数据收集负担,同时保留了原始仪器的基本因素结构.
- 进一步的研究可能有利于更新PES-NWI项目的内容.
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