Royle Jane, Lincoln Nadina B
Sheffield Teaching Hospitals NHS Trust, Sheffield, University of Nottingham, Nottingham, UK.
Disabil Rehabil. 2008;30(2):114-21. doi: 10.1080/09638280701223876.
The Everyday Memory Questionnaire (EMQ) was developed as a subjective measure of memory failure in everyday life. Previous studies have investigated the factor structure of the EMQ in both healthy participants and people with multiple sclerosis (MS). The aim of the present study was to confirm the factor structure of the EMQ, to determine the internal consistency and criterion validity of the scale and to develop a shortened version.
A retrospective design, including participants from a study on MS patients and their carers and a study on stroke patients. Psychometric properties of the EMQ-28 were explored, and the measure was further revised from comparative analyses between the clinical and non-clinical groups.
Reliability and factor analysis of the EMQ-28 identified two main factors, general memory and attentional function, showing some concordance with previous research. Further analysis reduced the questionnaire to a 13-item measure (EMQ-R), with two main factors (Retrieval and Attentional tracking), strong internal reliability, and good discriminatory properties between clinical and control groups.
The 28-item questionnaire consistently differentiated between two broad systems of memory and attention, with some differentiation of visual and verbal, or language systems. Results showed some consistency with previous findings. The revised, 13-item questionnaire is a valid and reliable tool that has good face validity for use with neurological patients. Further exploration of the revised EMQ is recommended to provide information regarding its psychometric and clinical properties.
日常记忆问卷(EMQ)是作为日常生活中记忆障碍的一种主观测量方法而开发的。先前的研究已经调查了健康参与者和多发性硬化症(MS)患者中EMQ的因子结构。本研究的目的是确认EMQ的因子结构,确定该量表的内部一致性和效标效度,并开发一个缩短版。
采用回顾性设计,包括来自一项关于MS患者及其照料者的研究以及一项关于中风患者的研究的参与者。探索了EMQ - 28的心理测量特性,并通过临床组和非临床组之间的比较分析对该测量方法进行了进一步修订。
EMQ - 28的信度和因子分析确定了两个主要因子,即一般记忆和注意力功能,这与先前的研究有一定的一致性。进一步分析将问卷缩减为一个13项的测量方法(EMQ - R),有两个主要因子(提取和注意力追踪),具有很强的内部信度,并且在临床组和对照组之间具有良好的区分特性。
28项问卷始终能够区分记忆和注意力的两个广泛系统,在视觉和言语或语言系统方面也有一定区分。结果与先前的研究结果有一定的一致性。修订后的13项问卷是一种有效且可靠的工具,对神经科患者具有良好的表面效度。建议对修订后的EMQ进行进一步探索,以提供有关其心理测量和临床特性的信息。