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In the West, we think morality is all about harm, rights, fairness and consent. Does the guy own the chicken? Is the dog already dead? Is the sister of legal age? But step outside your neighborhood or your country, and you’ll discover that your perspective is highly anomalous. Haidt has read ethnographies, traveled the world and surveyed tens of thousands of people online. He and his colleagues have compiled a catalog of six fundamental ideas that commonly undergird moral systems: care, fairness, liberty, loyalty, authority and sanctity. Alongside these principles, he has found related themes that carry moral weight: divinity, community, hierarchy, tradition, sin and degradation.
The worldviews Haidt discusses may differ from yours. They don’t start with the individual. They start with the group or the cosmic order. They exalt families, armies and communities. They assume that people should be treated differently according to social role or status — elders should be honored, subordinates should be protected. They suppress forms of self-expression that might weaken the social fabric. They assume interdependence, not autonomy. They prize order, not equality.
These moral systems aren’t ignorant or backward. Haidt argues that they’re common in history and across the globe because they fit human nature. He compares them to cuisines. We acquire morality the same way we acquire food preferences: we start with what we’re given. If it tastes good, we stick with it. If it doesn’t, we reject it. People accept God, authority and karma because these ideas suit their moral taste buds. Haidt points to research showing that people punish cheaters, accept many hierarchies and don’t support equal distribution of benefits when contributions are unequal.
You don’t have to go abroad to see these ideas. You can find them in the Republican Party. Social conservatives see welfare and feminism as threats to responsibility and family stability. The Tea Party hates redistribution because it interferes with letting people reap what they earn. Faith, patriotism, valor, chastity, law and order — these Republican themes touch all six moral foundations, whereas Democrats, in Haidt’s analysis, focus almost entirely on care and fighting oppression. This is Haidt’s startling message to the left: When it comes to morality, conservatives are more broad-minded than liberals. They serve a more varied diet.
This is where Haidt diverges from other psychologists who have analyzed the left’s electoral failures. The usual argument of these psycho-pundits is that conservative politicians manipulate voters’ neural roots — playing on our craving for authority, for example — to trick people into voting against their interests. But Haidt treats electoral success as a kind of evolutionary fitness test. He figures that if voters like Republican messages, there’s something in Republican messages worth liking. He chides psychologists who try to “explain away” conservatism, treating it as a pathology. Conservatism thrives because it fits how people think, and that’s what validates it. Workers who vote Republican aren’t fools. In Haidt’s words, they’re “voting for their moral interests.”
One of these interests is moral capital — norms, practices and institutions, like religion and family values, that facilitate cooperation by constraining individualism. Toward this end, Haidt applauds the left for regulating corporate greed. But he worries that in other ways, liberals dissolve moral capital too recklessly. Welfare programs that substitute public aid for spousal and parental support undermine the ecology of the family. Education policies that let students sue teachers erode classroom authority. Multicultural education weakens the cultural glue of assimilation. Haidt agrees that old ways must sometimes be re-examined and changed. He just wants liberals to proceed with caution and protect the social pillars sustained by tradition.
Another aspect of human nature that conservatives understand better than liberals, according to Haidt, is parochial altruism, the inclination to care more about members of your group — particularly those who have made sacrifices for it —than about outsiders. Saving Darfur, submitting to the United Nations and paying taxes to educate children in another state may be noble, but they aren’t natural. What’s natural is giving to your church, helping your P.T.A. and rallying together as Americans against a foreign threat.
How far should liberals go toward incorporating these principles? Haidt says the shift has to be more than symbolic, but he doesn’t lay out a specific policy agenda. Instead, he highlights broad areas of culture and politics — family and assimilation, for example — on which liberals should consider compromise. He urges conservatives to entertain liberal ideas in the same way. The purpose of such compromises isn’t just to win elections. It’s to make society and government fit human nature.