Theories suggest that political ideology relates to cooperation, with conservatives being more likely to pursue selfish outcomes, and liberals more likely to pursue egalitarian outcomes. In study 1, we examine how political ideology and political party affiliation (Republican vs. Democrat) predict cooperation with a partner who self-identifies as Republican or Democrat in two samples before (n ...

A study of the science of man is inseparable from an examination of the options between which men must choose. This means that we can speak here not only of error, but of illusion. We speak of ‘illusion’ when we are dealing with something of greater substance than error, [it is] error which in a sense builds a counterfeit reality of its own . . . [Such illusions] are more than errors in this se...