http://www.sciencemag.org/content/342/6163/1169.4.full http://www.sciencemag.org/content/342/6163/1169.4.full Some statistician point out these guys are cherry

http://www.sciencemag.org/content/342/6163/1169.4.full http://www.sciencemag.org/content/342/6163/1169.4.full Some statistician point out these guys are cherry picking. * Of the two measures of cognitive functioning in Mani et al.’s studies, only the Raven’s scores are fairly symmetrically distributed. We therefore submitted these data to linear regressions involving family income (mean-centered to facilitate interpretation) and an interaction between income and the type of scenario ... In none of the three core experiments (1, 3, and 4) was the interaction significant * The stronger cognitive impediment experienced by the poor could merely be the result of an inappropriate statistical test and an overly easy cognitive control measure. oops