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Updated: Dec 7, 2025
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A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments
Published on: March 1, 2022
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An agent-based model of multi-dimensional opinion dynamics and opinion alignment
Simon Schweighofer1, David Garcia1, Frank Schweitzer1
1Complexity Science Hub Vienna, Josefstädter Str. 39, 1080 Vienna, Austria.
Chaos (Woodbury, N.Y.)
|October 2, 2020
Summary
Agent-based modeling shows how opinions align and polarize. High emotional involvement and variance across agents drive the emergence of a dominant ideological dimension, leading to polarization.
Area of Science:
- Social Sciences
- Computational Social Science
- Political Science
Background:
- Individual opinions often align along a dominant ideological dimension, leading to polarization.
- Understanding the emergence of ideological alignment and polarization is crucial in social and political science.
Purpose of the Study:
- To develop an agent-based model that reproduces opinion alignment and polarization as emergent properties.
- To investigate the influence of cognitive dissonance and structural balance theories on opinion dynamics.
- To examine the impact of emotional involvement on opinion alignment and polarization.
Main Methods:
- Agent-based modeling in a multi-dimensional opinion space.
- Incorporation of cognitive dissonance and structural balance theories for opinion change mechanisms.
- Testing proximity and directional voting assumptions.
- Analysis of emotional involvement's effect on opinion dynamics.
Main Results:
- The model successfully reproduces alignment and polarization as emergent properties.
- Two distinct regimes for global and individual opinion alignment were identified.
- High variance in affective involvement among agents fosters a dominant ideological dimension and polarization.
Conclusions:
- Agent-based modeling can effectively simulate opinion alignment and polarization.
- Emotional involvement plays a significant role in the emergence of ideological dimensions.
- The study provides insights into the mechanisms driving political polarization.
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