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Generically partisan: Polarization in political communication.

Gustavo Novoa1, Margaret Echelbarger2, Andrew Gelman1,3

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This summary is machine-generated.

People overestimate political party differences due to a tendency to make broad generalizations. This use of generic language in political discourse fuels perceived polarization, increasing hostility between parties.

Keywords:
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Area of Science:

  • Social Psychology
  • Political Science
  • Cognitive Science

Background:

  • Political parties exhibit increasing polarization.
  • Public perception of ideological divides exceeds actual differences.
  • Perceived polarization is linked to interparty hostility.

Purpose of the Study:

  • Investigate the role of generalization tendencies in perceived political polarization.
  • Examine how generic statements influence political judgments and beliefs.
  • Understand the cognitive mechanisms behind exaggerated party differences.

Main Methods:

  • Measured interpretation, endorsement, and recall of category-referring statements (generics).
  • Conducted three studies with 417, 928, and 422 participants.
  • Analyzed responses to generic versus nongeneric political statements.

Main Results:

  • Perceived polarization significantly exceeded actual polarization.
  • Participants endorsed true generics even when believing them applicable to <50% of a party.
  • Information from political elites led to generic recall, regardless of original statement type.
  • Generic statements about new information produced more polarized judgments than nongeneric ones.

Conclusions:

  • Individuals tend to form mental representations that exaggerate political party differences.
  • The common use of generic language contributes to inferential errors.
  • These errors exacerbate perceived polarization and interparty hostility.