越老越风险规避吗?—年龄对冲动性预测决策行为的调节效应
Are Older Adults More Risk-Averse? Task-Specific Effect of Impulsiveness on Age-Related Decision Changes
查看参考文献28篇
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文摘
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心理学质性研究具有漫长的过去,却只有短暂的历史。心理学自诞生起就具有质性研究传统,但被主流所忽视。从组织机构、出版渠道和研究成果方面看,当前国内外心理学质性研究的发展态势暗示质性研究传统正在回归到主流当中。尽管仍存在误解和急功近利等众多问题和困难需要克服,但是心理学质性研究方法在研究复杂心理现象和产生新的概念、新的理论方面展现了潜力。心理学质性研究的复兴正使心理学处于一个多元化转向的阶段。 |
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其他语种文摘
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Decision-making under risk changes with age.This age-related difference is often attributed to the alteration in risk tolerance.A recent age-related decision-making meta-analysis suggested that in decisions from experience,age-related differences in risk taking were a function of decreased learning performance,whereas in decisions from description,younger adults and older adults showed similar risk-taking behavior.However,little is known about whether age-related differences in decision-making reflect a direct effect of aging or,alternatively,are caused by age-related changes in risk attitudes,like impulsiveness.Our main goal was to investigate older adults' risk propensity in different decision-making tasks,namely,description-based and experience-based tasks.Moreover,this study was to determine whether self-report of impulsiveness could predict behavior on different decision tasks,and whether this prediction could be mediated by age.We tested two groups of participants:27 older adults (age 65.56±5.38;29.63% male) and 27 younger adults (age 21.04±1.60;40.74% male).All participants completed a battery of psychometric tests including Barratt Impulsiveness Scale-11th version (BIS-11),and two sets of decision-making tasks:a description-based task Cambridge Gambling Task (CGT) and an experience-based task Balloon Analogue Risk Task (BART).During the CGT,participants were told that a token was hidden under one of the red or blue cards,with color ratios changing from 5:1,4:2,to 3:3.To indicate the location of the token,participants had to bet on one color of the cards,and the bets were associated with a certain amount ratio (10 vs.90,30 vs.70,or 50 vs.50) for each choice.During the BART,participants were told that they would inflate a balloon on each of a number of trials by pressing "pump" button.Each pump could earn participants 0.1 CNY;however,if the balloon exploded,they would lose the money accumulated on that trial.Older adults reported lower levels of impulsive behavior in the motor impulsiveness,attentional impulsiveness,and non-planning impulsiveness as compared with younger adults.However,older adults were more likely to choose options that had a low probability of winning on the CGT,showing a risk-seeking propensity.The decision of older adults was also significantly different than those of younger adults on the BART;however,for this task,older adults made more risk-averse decisions than the younger adults.Besides the heterogeneous results of these two tasks,the findings have shown that older adults made significantly lower quality decisions than younger adults.Moreover,the moderation analysis showed that the effects of age upon decision-making reflected an indirect influence of age-related impulsiveness decline.In conclusion,different decision-making tasks do not entirely succeed in capturing the same age-related risk-taking propensity.Moreover,our study highlights that the relationship between aging and decision making is mediated,in part,by self-assessment of impulsiveness.Our results show that in order to truly understand the age-related alterations upon decision-making,future research may consider take into account the convergent and predictive validity of self-report,and behavioral measures of risk taking. |
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来源
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心理科学
,2019,42(6):1382-1388 【扩展库】
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DOI
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10.16719/j.cnki.1671-6981.20190615
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关键词
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质性心理学
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质性研究
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质性方法
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地址
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1.
西南大学心理学部, 重庆, 400715
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中国科学院心理研究所, 中国科学院行为科学重点实验室, 北京, 100010
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1671-6981 |
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基金
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国家自然科学基金项目
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国家教育部人文社会科学研究项目
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重庆市社会科学规划项目
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中央高校基本科研业务费专项资金
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文献收藏号
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CSCD:6639150
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