个体内的日常压力源与老年认知干扰的耦合。
Intraindividual coupling of daily stressors and cognitive interference in old age.
机构信息
Department of Human Development and Family Studies, and The Gerontology Center, Pennsylvania State University, University Park, USA.
出版信息
J Gerontol B Psychol Sci Soc Sci. 2011 Jul;66 Suppl 1(Suppl 1):i121-9. doi: 10.1093/geronb/gbr012.
OBJECTIVES
The current study examined emotional and cognitive reactions to daily stress. We examined the psychometric properties of a short cognitive interference measure and how cognitive interference was associated with measures of daily stress and negative affect (NA) between persons and within persons over time.
METHODS
A sample of 87 older adults (M(age) = 83, range = 70-97, 28% male) completed measures of daily stress, cognitive interference, and NA on 6 days within a 14-day period.
RESULTS
The measure yielded a single-factor solution with good reliability both between and within persons. At the between-person level, NA accounted for the effects of daily stress on individual differences in cognitive interference. At the within-person level, NA and daily stress were unique predictors of cognitive interference. Furthermore, the within-person effect of daily stress on cognitive interference decreased significantly with age.
DISCUSSION
These results support theoretical work regarding associations among stress, NA, and cognitive interference, both across persons and within persons over time.
目的
本研究考察了日常压力下的情绪和认知反应。我们检验了一种简短认知干扰测量的心理计量学特性，以及认知干扰如何与个体间和个体内的日常压力和负性情绪（NA）测量相关联，随时间变化。
方法
在 14 天的时间内，87 名老年参与者（M（年龄）= 83，范围为 70-97，28%为男性）完成了每日压力、认知干扰和 NA 的测量。
结果
该测量方法得出了一个具有良好信度的单因素解决方案，无论是在个体间还是个体内。在个体间水平上，NA 解释了每日压力对认知干扰个体差异的影响。在个体内水平上，NA 和每日压力是认知干扰的独特预测因素。此外，每日压力对认知干扰的个体内影响随年龄显著下降。
讨论
这些结果支持了关于压力、NA 和认知干扰之间关联的理论工作，无论是在个体间还是个体内随时间变化。
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