Factor structure of the Harmonized Cognitive Assessment Protocol neuropsychological battery in the Health and Retirement Study.

IF 2.6 4区 心理学 Q2 CLINICAL NEUROLOGY
Richard N Jones, Jennifer J Manly, Kenneth M Langa, Lindsay H Ryan, Deborah A Levine, Ryan McCammon, David Weir
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Abstract

Objective: The Harmonized Cognitive Assessment Protocol (HCAP) describes an assessment battery and a family of population-representative studies measuring neuropsychological performance. We describe the factorial structure of the HCAP battery in the US Health and Retirement Study (HRS).

Method: The HCAP battery was compiled from existing measures by a cross-disciplinary and international panel of researchers. The HCAP battery was used in the 2016 wave of the HRS. We used factor analysis methods to assess and refine a theoretically driven single and multiple domain factor structure for tests included in the HCAP battery among 3,347 participants with evaluable performance data.

Results: For the eight domains of cognitive functioning identified (orientation, memory [immediate, delayed, and recognition], set shifting, attention/speed, language/fluency, and visuospatial), all single factor models fit reasonably well, although four of these domains had either 2 or 3 indicators where fit must be perfect and is not informative. Multidimensional models suggested the eight-domain model was overly complex. A five-domain model (orientation, memory delayed and recognition, executive functioning, language/fluency, visuospatial) was identified as a reasonable model for summarizing performance in this sample (standardized root mean square residual = 0.05, root mean square error of approximation = 0.05, confirmatory fit index = 0.94).

Conclusions: The HCAP battery conforms adequately to a multidimensional structure of neuropsychological performance. The derived measurement models can be used to operationalize notions of neurocognitive impairment, and as a starting point for prioritizing pre-statistical harmonization and evaluating configural invariance in cross-national research.

健康与退休研究中统一认知评估协议神经心理测试的因子结构。
目的:统一认知评估协议(HCAP)描述了一套评估方法和一系列具有人口代表性的神经心理学表现测量研究。我们描述了美国健康与退休研究(HRS)中 HCAP 评估单元的因子结构:方法:HCAP 数据库由一个跨学科的国际研究小组根据现有的测量方法编制而成。HCAP电池用于2016年的HRS调查。我们使用因子分析方法,在3347名有可评估表现数据的参与者中,评估并完善了HCAP测试中包含的单领域和多领域因子结构:对于已确定的认知功能的八个领域(定向、记忆[即时、延迟和识别]、集合转换、注意/速度、语言/流利性和视觉空间),所有单因素模型的拟合效果都相当好,尽管其中四个领域有 2 个或 3 个指标,拟合效果必须完美,但并不具有参考价值。多维模型表明八领域模型过于复杂。五域模型(定向、记忆延迟和识别、执行功能、语言/流利性、视觉空间)被认为是总结该样本表现的合理模型(标准化均方根残差=0.05,均方根近似误差=0.05,确认拟合指数=0.94):结论:HCAP电池充分符合神经心理学表现的多维结构。得出的测量模型可用于神经认知障碍概念的操作化,并可作为在跨国研究中优先进行统计前协调和评估构型不变性的起点。
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来源期刊
CiteScore
5.40
自引率
3.80%
发文量
185
审稿时长
4-8 weeks
期刊介绍: The Journal of the International Neuropsychological Society is the official journal of the International Neuropsychological Society, an organization of over 4,500 international members from a variety of disciplines. The Journal of the International Neuropsychological Society welcomes original, creative, high quality research papers covering all areas of neuropsychology. The focus of articles may be primarily experimental, applied, or clinical. Contributions will broadly reflect the interest of all areas of neuropsychology, including but not limited to: development of cognitive processes, brain-behavior relationships, adult and pediatric neuropsychology, neurobehavioral syndromes (such as aphasia or apraxia), and the interfaces of neuropsychology with related areas such as behavioral neurology, neuropsychiatry, genetics, and cognitive neuroscience. Papers that utilize behavioral, neuroimaging, and electrophysiological measures are appropriate. To assure maximum flexibility and to promote diverse mechanisms of scholarly communication, the following formats are available in addition to a Regular Research Article: Brief Communication is a shorter research article; Rapid Communication is intended for "fast breaking" new work that does not yet justify a full length article and is placed on a fast review track; Case Report is a theoretically important and unique case study; Critical Review and Short Review are thoughtful considerations of topics of importance to neuropsychology and include meta-analyses; Dialogue provides a forum for publishing two distinct positions on controversial issues in a point-counterpoint format; Special Issue and Special Section consist of several articles linked thematically; Letter to the Editor responds to recent articles published in the Journal of the International Neuropsychological Society; and Book Review, which is considered but is no longer solicited.
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