Related Experiment Video
Updated: Feb 24, 2026
09:27
Using Eye Movements Recorded in the Visual World Paradigm to Explore the Online Processing of Spoken Language
Published on: October 13, 2018
10.8K
Explaining opinion polarisation with opinion copulas
1IZA - Institute of Labor Economics, Schaumburg-Lippe-Str. 5/9, D-53113, Bonn Germany.
Plos One
|August 23, 2017
Summary
Homophily drives opinion dynamics, but noise in models leads to consensus. This study introduces opinion copulas and heterogeneous priors to explain how opinion clusters and polarization emerge in stochastic models.
Area of Science:
- Social Psychology
- Computational Social Science
- Opinion Dynamics
Background:
- Homophily, the tendency for similar individuals to interact, is a key driver of opinion dynamics.
- Bounded Confidence Models (BCM) assume interaction is limited by a tolerance threshold.
- Stochastic BCM with noise typically result in consensus, failing to explain opinion clustering and polarization.
Purpose of the Study:
- To explain the emergence and sustainment of opinion clusters and polarization in stochastic opinion dynamics.
- To investigate the role of heterogeneous priors in opinion formation.
- To introduce and validate the concept of opinion copulas in modeling opinion dynamics.
Main Methods:
- Investigated the role of heterogeneous priors in opinion formation.
- Introduced the concept of opinion copulas.
- Utilized stochastic bounded confidence models.
Main Results:
- Demonstrated that heterogeneous priors and opinion copulas can lead to opinion clustering in stochastic BCM.
- Showed that opinion clustering can occur without additional assumptions beyond bounded confidence and noise.
- Provided a mechanism for the emergence of polarization from homophilous interactions.
Conclusions:
- Heterogeneous priors, modeled using opinion copulas, are crucial for understanding opinion clustering in stochastic environments.
- The proposed framework reconciles homophily with the observed persistence of diverse opinions and polarization.
- This research offers a novel explanation for complex opinion dynamics previously unexplained by standard models.
Related Concept Videos
01:01Group Polarization
39.2K
Group polarization is the strengthening of an original group attitude following the discussion of views within a group (Teger & Pruitt, 1967). That is, if a group initially favors a viewpoint, after discussion the group consensus is likely a stronger endorsement of the viewpoint. Conversely, if the group was initially opposed to a viewpoint, group discussion would likely lead to stronger opposition.
39.2K
01:15Theory of Attribution I: Correspondent Inference Theory
641
Correspondent inference theory, proposed by Jones and Davis in 1965, seeks to explain how individuals infer stable personality traits from observed behaviors. It suggests that people attribute actions to underlying dispositions rather than external circumstances, particularly when the behavior appears intentional and socially significant.Voluntary Behavior and Dispositional AttributionAccording to this theory, individuals are more likely to attribute behavior to personal traits when it appears...
641
01:29Potential Due to a Polarized Object
833
A neutral atom consists of a positively charged nucleus surrounded by a negatively charged electron cloud. When placed in an external electric field, the external electric force pulls the electrons and nucleus apart, opposite to the intrinsic attraction between the nucleus and the electrons. The opposing forces balance each other with a slight shift between the center of masses of the nucleus and the electron cloud, resulting in a polarized atom. On the other hand, a few molecules, like water,...
833
02:24Polar Covalent Bonds
30.5K
Covalent bonds are formed between two atoms when both have similar tendencies to attract electrons to themselves (i.e., when both atoms have identical or fairly similar ionization energies and electron affinities). Nonmetal atoms frequently form covalent bonds with other nonmetal atoms. For example, the hydrogen molecule, H2, contains a covalent bond between its two hydrogen atoms. When two separate hydrogen atoms with a particular potential energy approach each other, their valence orbitals...
30.5K
01:17Correspondence Bias
254
Correspondence bias, also referred to as the fundamental attribution error, describes the tendency to attribute another person’s behavior to internal characteristics rather than situational influences. This cognitive bias leads individuals to overlook external factors that may be influencing actions, thereby fostering potentially inaccurate assessments of others’ intentions and dispositions.Empirical Evidence for Correspondence BiasResearch has consistently demonstrated the...
254
01:29Polar Equations of Conics
282
A conic section can be defined in polar coordinates as the set of all points whose distance from a fixed point, known as the focus, bears a constant ratio to their distance from a fixed line, known as the directrix. This constant ratio is called the eccentricity. This definition unifies all types of conic sections—ellipses, parabolas, and hyperbolas—under a single framework. When the focus is positioned at the origin of the polar coordinate system, a single polar equation can...
282