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使用非参数物品响应理论模型来识别认知衰退的模式:莫肯尺度分析

Carlos Calderón¹, Diego Palominos¹, Óscar Véliz-García¹

¹Escuela de Psicología, Facultad de Humanidades, Universidad Católica del Norte, Antofagasta, Chile.

Journal of neuropsychology

|June 27, 2024

概括

莫肯尺度分析 (MSA) 有效地确定了老年人的认知障碍模式. 这种非参数方法为痴呆症研究提供了传统物体响应理论 (IRT) 的实用替代方案.

科学领域:

老年学是一门学科.
心理测量心理测量心理测量
认知神经科学认知神经科学

背景情况:

认知衰退和痴呆症诊断带来了重大的挑战.
参数物品响应理论 (IRT) 模型需要大量的样本和严格的假设.
在认知障碍研究中需要适应性分析方法.

研究的目的:

评估莫肯尺度分析 (MSA),一种非参数的IRT模型,用于识别认知障碍模式.
评估MSA在检测心理测试数据中的等级结构方面的有效性.
为了将MSA与痴呆症研究的传统参数IRT模型进行比较.

主要方法:

将MSA应用于阿登布鲁克认知检查III (ACE-III) 的定向分级,对1164名60岁以上的成年人进行了研究.
计算的可扩展性,单调的同质性,不变的项目排序 (IIO) 和响应函数.
分析了认知障碍的等级模式.

主要成果:

MSA成功地检索了认知障碍模式的等级顺序.
大多数项目都显示出强大的可扩展性和一致的性能模式.
对于具有相邻难度参数的项目,发现了不变物品订单 (IIO) 的挑战.

结论:

在认知障碍研究中,MSA显示出作为参数性IRT的实用,不那么苛刻的替代方案的潜力.
MSA为认知恶化模式提供了有价值的见解.
对于临床医生和痴呆研究的研究人员来说,MSA是一个有用的工具.

关键词:

莫肯尺度分析的分析认知能力下降认知能力下降认知障碍认知障碍是一种认知障碍.痴呆症痴呆症是一种痴呆症.年长的老人老年人老年人.项目响应理论是物品响应理论.神经认知测试神经认知测试心理测量是指心理测量.

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