日常认知测验（ECog）的修订与更新。
The Measurement of Everyday Cognition (ECog): Revisions and Updates.
机构信息
Departments of Neurology.
Public Health, University of California, Davis, Davis, CA.
出版信息
Alzheimer Dis Assoc Disord. 2021;35(3):258-264. doi: 10.1097/WAD.0000000000000450.
INTRODUCTION
The Everyday Cognition scale (ECog), a measure of everyday functioning developed in 2008, is sensitive to early detection and progression of neurodegenerative disease. The goal was to update ECog item content to ensure relevancy to contemporary older adults from diverse backgrounds.
METHODS
Participants included 44 culturally diverse older adults (18 with normal cognition, 11 with mild cognitive impairment) and their study partners. Item understandability and relevance was evaluated using iterative interviewing methods that were analyzed using standard qualitative methods. On the basis of this information, items were modified, deleted, or developed as needed.
RESULTS
Of the 39 original items, 19 were revised, 3 new items were added (primarily to cover contemporary activities such as the use of technology), and 1 was deleted. The revised version (ECog-II) includes 41 items.
DISCUSSION
To ensure strong psychometric properties, and to facilitate harmonization of previously collected data, we preserved well over half of the items. Future work will validate the revised ECog by measuring associations with neuropsychological performance, external measures of disease, and other functional measures. Overall, the revised ECog will continue to be a useful tool for measuring cognitively relevant everyday abilities in clinical settings and intervention clinical trials.
简介
日常认知量表（ECog）是 2008 年开发的一种衡量日常功能的量表，能够敏感地检测到神经退行性疾病的早期发生和进展。目标是更新 ECog 的项目内容，以确保其与来自不同背景的当代老年人相关。
方法
参与者包括 44 名具有不同文化背景的老年人（18 名认知正常，11 名轻度认知障碍）及其研究伙伴。使用迭代访谈方法评估项目的可理解性和相关性，这些方法使用标准的定性方法进行分析。在此基础上，对项目进行修改、删除或根据需要开发。
结果
在 39 个原始项目中，有 19 个进行了修订，增加了 3 个新项目（主要是为了涵盖当代活动，如技术的使用），并删除了 1 个项目。修订后的版本（ECog-II）包括 41 个项目。
讨论
为了确保良好的心理测量学特性，并促进先前收集数据的协调，我们保留了超过一半的项目。未来的工作将通过测量与神经心理学表现、疾病的外部测量以及其他功能测量的相关性来验证修订后的 ECog。总的来说，修订后的 ECog 将继续成为临床环境和干预临床试验中衡量与认知相关的日常能力的有用工具。
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