Education, intelligence, and attitude extremity

Michael D. Makowsky, Stephen C. Miller

Research output: Contribution to journalArticle

Abstract

Education and general intelligence both serve to inform opinions, but do they lead to greater attitude extremity? The potential civic returns to education include not only the sophistication of citizen opinions, but also their moderation. We use questions on economic policy, social issues, and environmental issues from the General Social Survey to test the impact of education on attitude extremity, as measured by deviation from centrist or neutral positions, while controlling for intelligence. We use quantile regression modeling to identify effects on both the most extreme beliefs as well as the most ambivalent. We find that intelligence is a moderating force across the entire distribution in economic, social, and environmental policy beliefs. Completing high school strongly correlates to reduced extremity, particularly in the upper quantiles. College education increases attitude extremity in the lower tail, while postgraduate education increases extremity in the upper tail. Results are discussed in the context of enlightenment and motivated-reasoning theories of beliefs and education. The relevance to political party core and swing voters is briefly discussed.

Original languageEnglish (US)
Pages (from-to)832-858
Number of pages27
JournalPublic Opinion Quarterly
Volume78
Issue number4
DOIs
StatePublished - 2014

ASJC Scopus subject areas

  • Communication
  • History
  • Sociology and Political Science
  • Social Sciences(all)
  • History and Philosophy of Science

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