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Dehumanization after all: Distinguishing intergroup evalutation from trait-based dehumanization.

Jeroen Vaes1

  • 1University of Trento, Italy.

Cognition
|November 27, 2022
PubMed
Summary
This summary is machine-generated.

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Previous research on dehumanization is challenged by using trait measures. This study introduces a more robust measure, confirming dehumanization effects beyond intergroup preferences.

Area of Science:

  • Social Psychology
  • Cognitive Psychology

Background:

  • Research indicates people often dehumanize outgroup members using trait-based measures.
  • Previous studies have been criticized for using socially desirable traits, conflating dehumanization with intergroup bias.

Purpose of the Study:

  • To investigate outgroup dehumanization using a more parsimonious measure controlling for trait valence and typicality.
  • To determine if dehumanization effects persist when trait desirability is rigorously controlled.

Main Methods:

  • Conceptually replicated previous studies using a validated experimental material.
  • Introduced a novel, parsimonious dehumanization measure assessing trait typicality and humanness judgments.
  • Controlled for trait valence in two pre-registered experiments.
Keywords:
DehumanizationIntergroup prejudiceIntergroup relationsTrait-measures

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Main Results:

  • Both studies demonstrated a significant dehumanization effect.
  • This effect was observed independently of intergroup evaluations.
  • Results align with prior dehumanization research.

Conclusions:

  • The findings support the existence of dehumanization effects.
  • Highlights the limitations of using a small set of valence-uncontrolled traits to measure dehumanization.
  • Emphasizes the importance of controlling trait desirability in dehumanization research.