对任务难度的看法预测了老年人的认知努力
MacKenzie L Hughes1, Shevaun D Neupert2, Ann Pearman3
1School of Psychology, Georgia Institute of Technology, Atlanta, GA, USA.
概括
老年人减少了对困难的认知任务的努力,与年轻人不同. 这种脱离暗示了面对高认知成本的动机减少,支持选择性参与理论.
科学领域:
- 认知心理学 认知心理学
- 老年学是一门学科.
- 人类发展 人类发展
背景情况:
- 认知能力通常会随着年龄的增长而下降.
- 了解与年龄相关的努力分配差异对于解释认知衰老至关重要.
研究的目的:
- 在认知要求高的任务中调查与年龄相关的努力分配差异.
- 检查年轻和年长的成年人感知到的任务难度和努力之间的关系.
主要方法:
- 52名年轻成年人 (18-30岁) 和57名老年人 (61-93岁) 完成了记忆测试.
- 使用系统性血压响应 (SBP-R) 测量了努力.
- 多级建模分析了主观任务难度与SBP-R.R.之间的关联.
主要成果:
- 老年人显示,随着任务难度的增加,SBP-R (努力) 的降低.
- 年轻的成年人没有表现出这种努力的减少,难度越来越大.
- 这表明老年人从非常困难的任务中解脱出来.
结论:
- 结果支持选择性参与理论,表明老年人可能会因感知成本而从困难任务中脱离.
- 努力分配中的年龄差异受感知任务难度和动机的影响.
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