评论“贫困阻碍认知功能”。
Comment on "Poverty impedes cognitive function".
机构信息
Jelte Wicherts, Department of Methodology and Statistics, Tilburg University, P.O. Box 90153, 5000 LE, Tilburg, Netherlands.
出版信息
Science. 2013 Dec 6;342(6163):1169. doi: 10.1126/science.1246680.
Mani et al. (Research Articles, 30 August, p. 976) presented laboratory experiments that aimed to show that poverty-related worries impede cognitive functioning. A reanalysis without dichotomization of income fails to corroborate their findings and highlights spurious interactions between income and experimental manipulation due to ceiling effects caused by short and easy tests. This suggests that effects of financial worries are not limited to the poor.
马尼等人（研究文章，8 月 30 日，第 976 页）展示了旨在表明与贫困相关的担忧会阻碍认知功能的实验室实验。对收入不进行二分法的重新分析未能证实他们的发现，并突出了由于短期和简单测试导致上限效应而产生的收入与实验操作之间的虚假交互作用。这表明财务担忧的影响不仅限于穷人。
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