Thursday, February 27, 2014

Comment on "Poverty impedes cognitive function"

Comment on "Poverty impedes cognitive function".
Science. 2013 Dec 6;342(6163):1169
Authors: Wicherts JM, Scholten AZ

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.

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