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   New Study Links Higher Intelligence to Liberal Political Beliefs   
      
   by Richard Gosk | May 25, 2025 | Politics   
   Liberals are Smarter Than Conservatives   
      
   A groundbreaking study from the University of Minnesota is shedding new   
   light on the age-old debate over what shapes our political views. According   
   to the research, there is a strong and consistent link between higher   
   intelligence and a tendency to adopt left-wing political beliefs,   
   particularly views rooted in social liberalism, egalitarianism, and   
   resistance to authoritarianism.   
   The Study: Intelligence and Ideology   
      
   Researchers examined over 300 families, analyzing siblings who were raised   
   in the same household to control for environmental factors. This allowed   
   scientists to better isolate the role of genetics and cognitive ability in   
   political orientation. The core finding: smarter siblings, those with   
   higher IQ scores, were more likely to lean liberal, even when raised   
   alongside their more conservative siblings.   
      
   But the study didn’t stop at IQ scores. The team employed polygenic   
   scoring, a cutting-edge method that tracks the presence of genetic markers   
   associated with cognitive ability. These polygenic scores were also found   
   to correlate with liberal attitudes across the sample.   
   Key Traits Associated with Intelligence and Liberalism   
      
   The research focused on specific ideological traits including:   
      
       Social liberalism: Support for civil rights, environmental protection,   
   and social welfare programs.   
       Egalitarianism: A belief in equality across race, gender, and   
   socioeconomic status.   
       Resistance to authoritarianism: Skepticism toward centralized power and   
   support for democratic institutions and norms.   
      
   Individuals scoring higher in intelligence, and with polygenic markers for   
   cognitive ability, were significantly more likely to endorse these values.   
   Nature vs. Nurture: Untangling the Roots   
      
   The study’s design helped separate genetic influences from environmental   
   ones. By studying siblings raised in the same environment, the researchers   
   controlled for upbringing, allowing them to identify genetic differences as   
   a potential factor in shaping political outlooks.   
      
   Still, the researchers are quick to point out that intelligence is not   
   destiny. “Political beliefs are the product of a complex interplay between   
   biology and experience,” said one of the study’s lead authors. “We’re not   
   suggesting that genetics alone dictates ideology. Culture, education,   
   personal experience, these all play powerful roles.”   
   Why This Matters   
      
   The findings challenge simplistic narratives about political orientation   
   being driven purely by upbringing or social class. Instead, they highlight   
   how cognitive traits may influence how individuals process information,   
   weigh social values, and assess risks, all of which are critical in forming   
   political opinions.   
      
   It also opens up broader questions about how genetic predispositions might   
   affect other complex human behaviors and beliefs, including religion,   
   economic theory, and even tolerance for ambiguity or change.   
   Proceed With Caution   
      
   While the link between intelligence and liberal values is statistically   
   significant, the researchers caution against reading too much into the   
   results. Intelligence is multi-dimensional, and polygenic scoring remains   
   an emerging field with limitations. Correlation, after all, does not equal   
   causation.   
      
   Moreover, political ideology is not a binary. People may lean liberal in   
   some areas and conservative in others, and shifts in belief are common   
   across a person’s lifetime.   
   The Bottom Line   
      
   The University of Minnesota study offers compelling evidence that higher   
   intelligence, as measured both by IQ and genetic markers, is associated   
   with more liberal political beliefs. However, political ideology remains a   
   complex mosaic formed by countless intersecting factors. Intelligence may   
   tilt the scales, but it doesn’t draw the whole map.   
      
   As the science of genetics continues to evolve, so too will our   
   understanding of what shapes the beliefs that shape the world.   
      
   https://uomod.com/new-study-links-higher-intelligence-to-liberal-political-   
   beliefs-but-its-not-that-simple/   
      
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