The Righteous Mind: Why Good People are Divided by Politics and Religion

by Jonathan Haidt

Many political scientists used to assume that people vote selfishly, choosing the candidate or policy that will benefit them the most. But decades of research on public opinion have led to the conclusion that self-interest is a weak predictor of policy preferences. Parents of children in public school are not more supportive of government aid to schools than other citizens; young men subject to the draft are not more opposed to military escalation than men too old to be drafted; and people who lack health insurance are not more likely to support government-issued health insurance than people covered by insurance.35 Rather, people care about their groups, whether those be racial, regional, religious, or political. The political scientist Don Kinder summarizes the findings like this: “In matters of public opinion, citizens seem to be asking themselves not ‘What’s in it for me?’ but rather ‘What’s in it for my group?’ ”36 Political opinions function as “badges of social membership.”37 They’re like the array of bumper stickers people put on their cars showing the political causes, universities, and sports teams they support. Our politics is groupish, not selfish.