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The Joint Effect of Social Comparison and Social Distance on Evaluation of Intertemporal Choice Outcomes in Event-related Potential Studies

The Joint Effect of Social Comparison and Social Distance on Evaluation of Intertemporal Choice Outcomes in Event-related Potential Studies

Published on: August 25, 2023

Nonuniversal opinion dynamics driven by opposing external influences.

Deepak Bhat¹, S Redner¹

¹Santa Fe Institute, 1399 Hyde Park Rd., Santa Fe, New Mexico 87501, USA.

Physical Review. E

|December 25, 2019

Summary

This summary is machine-generated.

News sources increase political polarization by influencing voter opinion dynamics. As news influence grows, consensus time scales nonuniversally, leading to a polarized state rather than agreement.

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Published on: May 9, 2019

Area of Science:

Computational social science
Statistical physics

Background:

Voter models are used to study opinion dynamics in populations.
External influences, like news media, can significantly alter opinion formation.

Purpose of the Study:

To investigate how opposing news sources affect opinion dynamics in a generalized voter model.
To analyze the impact of news source influence on consensus time and polarization.

Main Methods:

Simulation of a generalized voter model with N voters.
Introduction of two opposing news sources promoting political polarization.
Analysis of mean time to consensus and steady-state opinion distribution.

Main Results:

Mean time to consensus scales nonuniversally as N^{α}, where α quantifies news source influence.
Increased news source influence leads to unbounded α values.
A transition from near consensus to a polarized state occurs as news influence increases.

Conclusions:

Opposing news sources can drive populations towards political polarization.
The dynamics of opinion formation are sensitive to the strength of external information influences.
Understanding these dynamics is crucial for analyzing societal opinion shifts.