Liberals and Conservatives Rely on Different Sets of Moral Foundations
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PERSONALITY PROCESSES AND INDIVIDUAL DIFFERENCES Liberals and Conservatives Rely on Different Sets of Moral Foundations Jesse Graham, Jonathan Haidt, and Brian A. Nosek University of Virginia How and why do moral judgments vary across the political spectrum? To test moral foundations theory (J. Haidt & J. Graham, 2007; J. Haidt & C. Joseph, 2004), the authors developed several ways to measure people’s use of 5 sets of moral intuitions: Harm/care, Fairness/reciprocity, Ingroup/loyalty, Authority/ respect, and Purity/sanctity. Across 4 studies using multiple methods, liberals consistently showed greater endorsement and use of the Harm/care and Fairness/reciprocity foundations compared to the other 3 foundations, whereas conservatives endorsed and used the 5 foundations more equally. This difference was observed in abstract assessments of the moral relevance of foundation-related concerns such as violence or loyalty (Study 1), moral judgments of statements and scenarios (Study 2), “sacredness” reactions to taboo trade-offs (Study 3), and use of foundation-related words in the moral texts of religious sermons (Study 4). These findings help to illuminate the nature and intractability of moral disagreements in the American “culture war.” Keywords: morality, ideology, liberal, conservative Political campaigns spend vast sums appealing to the self- are moral commitments; they are not necessarily strategies for interests of voters, yet rational self-interest often shows a weak and self-enrichment. unstable relationship to voting behavior (Kinder, 1998; Miller, In this article we examine moral foundations theory, which was 1999; Sears & Funk, 1991). Voters are also influenced by a wide originally developed to describe moral differences across cultures variety of social and emotional forces (Marcus, 2002; Westen, (Haidt & Joseph, 2004). Building on previous theoretical work 2007). Some of these forces are trivial or peripheral factors whose (Haidt & Graham, 2007), we apply the theory to moral differences influence we lament, such as a candidate’s appearance (Ballew & across the political spectrum within the United States. We propose Todorov, 2007). In recent years increasing attention has been paid a simple hypothesis: Political liberals construct their moral sys- to the role of another class of non-self-interested concerns: morality. tems primarily upon two psychological foundations—Harm/care Voters who seem to vote against their material self-interest are and Fairness/reciprocity—whereas political conservatives con- sometimes said to be voting instead for their values, or for their struct moral systems more evenly upon five psychological foun- vision of a good society (Lakoff, 2004; Westen, 2007). However, dations—the same ones as liberals, plus Ingroup/loyalty, Author- the idea of what makes for a good society is not universally shared. ity/respect, and Purity/sanctity. We call this hypothesis the moral The “culture war” that has long marked American politics (Hunter, foundations hypothesis, and we present four studies that support it 1991) is a clash of visions about such fundamental moral issues as using four different methods. the authority of parents, the sanctity of life and marriage, and the proper response to social inequalities. Ideological commitments Liberals and Conservatives Political views are multifaceted, but a single liberal– Jesse Graham, Jonathan Haidt, and Brian A. Nosek, Department of conservative (or left–right) continuum is a useful approximation Psychology, University of Virginia. that has predictive validity for voting behavior and opinions on a We thank Mark Berry for creating the supplemental text analysis pro- wide range of issues (Jost, 2006). In terms of political philosophy, gram used in Study 4 and thank Yoav Bar-Anan, Pete Ditto, Ravi Iyer, the essential element of all forms of liberalism is individual liberty Selin Kesebir, Sena Koleva, Allison Meade, Katarina Nguyen, Eric Oliver, (Gutmann, 2001). Liberals have historically taken an optimistic Shige Oishi, Colin Tucker Smith, and Tim Wilson for helpful comments on view of human nature and of human perfectibility; they hold what earlier drafts. This research was supported by Institute for Education Sowell (2002) calls an “unconstrained vision” in which people Sciences and Jacob Javits fellowships and a grant from the National Institute of Mental Health (R01 MH68447). Supplemental information and should be left as free as possible to pursue their own courses of analyses can be found at www.moralfoundations.org. personal development. Conservatism, in contrast, is best under- Correspondence concerning this article should be addressed to Jesse stood as a “positional ideology,” a reaction to the challenges to Graham, Department of Psychology, University of Virginia, P.O. Box authority and institutions that are so often mounted by liberals 400400, Charlottesville, VA 22904. E-mail: [email protected] (Muller, 1997). Conservatives have traditionally taken a more Journal of Personality and Social Psychology, 2009, Vol. 96, No. 5, 1029–1046 © 2009 American Psychological Association 0022-3514/09/$12.00 DOI: 10.1037/a0015141 1029 1030 GRAHAM, HAIDT, AND NOSEK pessimistic view of human nature, believing that people are inher- to suppress selfishness by protecting individuals directly (often using ently selfish and imperfectible. They therefore hold what Sowell the legal system) and by teaching individuals to respect the rights of called a “constrained vision” in which people need the constraints other individuals. This individualizing approach focuses on individu- of authority, institutions, and traditions to live civilly with each als as the locus of moral value. Other cultures try to suppress selfish- other. ness by strengthening groups and institutions and by binding individ- In terms of their personalities, liberals and conservatives have long uals into roles and duties in order to constrain their imperfect natures. been said to differ in ways that correspond to their conflicting visions. This binding approach focuses on the group as the locus of moral Liberals on average are more open to experience, more inclined to value. seek out change and novelty both personally and politically (McCrae, The individualizing–binding distinction does not necessarily cor- 1996). Conservatives, in contrast, have a stronger preference for respond to a left-wing versus right-wing distinction for all groups and things that are familiar, stable, and predictable (Jost, Nosek, & Gos- in all societies. The political left has sometimes been associated with ling, 2008; McCrae, 1996). Conservatives—at least, the subset prone socialism and communism, positions that privilege the welfare of the to authoritarianism—also show a stronger emotional sensitivity to group over the rights of the individual and that have at times severely threats to the social order, which motivates them to limit liberties in limited individual liberty. Conversely, the political right includes defense of that order (Altemeyer, 1996; McCann, 2008; Stenner, libertarians and “laissez-faire” conservatives who prize individual 2005). Jost, Glaser, Sulloway, and Kruglanski (2003) concluded from liberty as essential to the functioning of the free market (Boaz, 1997). a meta-analysis of this literature that the two core aspects of conser- We therefore do not think of political ideology—or morality—as a vative ideology are resistance to change and acceptance of inequality. strictly one-dimensional spectrum. In fact, we consider it a strength of How can these various but complementary depictions of ideological moral foundations theory that it allows people and ideologies to be and personality differences be translated into specific predictions characterized along five dimensions. Nonetheless, we expect that the about moral differences? First, we must examine and revise the individualizing–binding distinction can account for substantial varia- definition of the moral domain. tion in the moral concerns of the political left and right, especially in the United States, and that it illuminates disagreements underlying Expanding the Moral Domain many “culture war” issues. The consensus view in moral psychology has been that morality Moral Foundations Theory is first and foremost about protecting individuals. The most cited definition comes from Turiel (1983, p. 3), who defined the moral Several theorists have attempted to reduce the panoply of human domain as “prescriptive judgments of justice, rights, and welfare values to a manageable set of constructs or dimensions. The two pertaining to how people ought to relate to each other.” Turiel most prominent values researchers (Rokeach, 1973; Schwartz, (2006) explicitly grounded this definition in the tradition of liberal 1992) measured a wide variety of possible values and aggregated political theory from Kant through John Stuart Mill to John Rawls. them through factor analysis to define a smaller set of core values. Nearly all research in moral psychology, whether carried out using Schwartz (1992) and Rokeach (1973) both justified their lists by interviews, fMRI, or dilemmas about stolen medicine and runaway pointing to the fundamental social and biological needs of human trolleys, has been limited to issues of justice, rights, and welfare. beings. When morality is equated with the protection of individuals, the Moral foundations theory (Haidt & Graham, 2007; Haidt & Joseph, central concerns of conservatives—and of people in many non- 2004) also tries to reduce the panoply