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Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses
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Biological Essentialism Correlates With (But Doesn't Cause?) Intergroup Bias.

April H Bailey1,2, Joshua Knobe2

  • 1University of New Hampshire, Durham, USA.

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PubMed
Summary
This summary is machine-generated.

Biological essentialism beliefs correlate with social biases like stereotyping and prejudice. However, experimental evidence did not support biological essentialism causing these biases in a large-scale study.

Keywords:
essentialismgenericsintergroup processesprejudice/stereotyping

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Area of Science:

  • Social Psychology
  • Belief Systems
  • Group Dynamics

Background:

  • Biological essentialism, the belief that groups have inherent, fixed natures, is linked to social biases.
  • Prior research suggested a causal link where biological essentialism promotes bias, including group emphasis, stereotypes, and prejudice.
  • Existing experimental studies supported this causal direction, prompting further investigation.

Purpose of the Study:

  • To experimentally investigate whether biological essentialism causally leads to increased social bias.
  • To extend previous findings by examining "value-based" essentialism.
  • To re-examine the correlational relationship between essentialism and various forms of bias.

Main Methods:

  • A large-scale study (N=1,903) involving experimental manipulation to influence biological essentialist beliefs.
  • Correlational analyses examining the relationship between essentialist beliefs and measures of group emphasis, stereotyping, and prejudice.
  • Comparison of bias levels between an experimental condition and a control condition.

Main Results:

  • The manipulation successfully altered essentialist beliefs.
  • Essentialist beliefs showed significant correlations with group emphasis (Study 1), stereotyping (Studies 2, 3a-3c), and prejudice (Study 3a).
  • No experimental evidence was found to support biological essentialism causally leading to increased bias.

Conclusions:

  • While essentialist beliefs are strongly correlated with social biases, the experimental findings do not support a causal link from biological essentialism to these biases.
  • The study highlights the complex relationship between essentialism and bias, suggesting that correlation does not imply causation in this context.
  • Further research is needed to understand the nuanced interplay between essentialist beliefs and the endorsement of social biases.