Related Experiment Video
Updated: Dec 29, 2025

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments
Published on: March 1, 2022
From physical to social interactions: The relative entropy model
Yair Neuman1, Dan Vilenchik2, Yochai Cohen3
1The Department of Cognitive and Brain Sciences and Zlotowski Center for Neuroscience, Ben-Gurion University of the Negev, Beer-Sheva, Israel. yneuman@bgu.ac.il.
This study introduces a new method using relative entropy to model verbal interactions in social systems. The approach successfully identifies significant romantic relationships by analyzing communication patterns.
Area of Science:
- Social physics
- Computational social science
- Network analysis
Background:
- Social systems, from pairs to larger groups, rely on verbal interactions for formation and maintenance.
- Modeling these interactions is crucial for understanding social dynamics and identifying key relationships.
Purpose of the Study:
- To present a general approach for modeling social interactions using relative entropy.
- To derive and apply measures of "perspective-taking" to identify significant relationships within a dataset.
Main Methods:
- Utilized relative entropy as a core mathematical framework for interaction modeling.
- Developed "perspective-taking" metrics derived from the relative entropy model.
- Applied these metrics to analyze verbal interactions from the TV series "Sex and the City".
Main Results:
- Successfully modeled verbal interactions within a social network context.
- Demonstrated the efficacy of "perspective-taking" measures in identifying significant romantic relationships.
- The proposed approach showed preliminary success in uncovering relational patterns.
Conclusions:
- The relative entropy approach offers a viable framework for modeling social interactions.
- "Perspective-taking" measures derived from this model can effectively identify significant relationships.
- This methodology holds promise for advancing social science research through quantitative analysis of communication.
Related Concept Videos
Factors Influencing Attraction I: Proximity
The Second Law of Thermodynamics
Entropy and the Second Law of Thermodynamics
The relation between entropy and disorder can be illustrated with the example of the phase change of ice to water. In ice, the molecules are located at specific sites giving a solid state, whereas, in a liquid form, these molecules are much freer to move. The molecular arrangement has therefore become more randomized. Although the change in average...
Mechanistic Models: Compartment Models in Individual and Population Analysis
Entropy
Entropy
When an ideal gas expands isothermally, the disorder in the gas increases. From the molecular perspective, the gas molecules have more volume to move around in.
Consider an infinitesimal step in the expansion, which...

