A Unifying Model of Information Loss in Communication Across Populations
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arXiv
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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866912251574747136 |
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| author | Kumar, Sagar Laber, Moritz Majumder, Maimuna S. Welles, Brooke Foucault |
| author_facet | Kumar, Sagar Laber, Moritz Majumder, Maimuna S. Welles, Brooke Foucault |
| contents | Many of today's most pressing issues require a more robust understanding of how information spreads in populations. Current models of information spread can be thought of as falling into one of two varieties: epidemiologically-inspired rumor spreading models, which do not account for the noisy nature of communication, or information theory-inspired communication models, which do not account for spreading dynamics in populations. The viral proliferation of misinformation and harmful messages seen both online and offline, however, suggests the need for a model that accounts for both noise in the communication process, as well as disease-like spreading dynamics.
In this work, we leverage communication theory to meaningfully synthesize models of rumor spreading with models of noisy communication to develop a model for the noisy spread of structurally encoded messages. Furthermore, we use this model to develop a framework that allows us to consider not only the dynamics of messages, but the amount of information in the average message received by members of the population at any point in time. We find that spreading models and noisy communication models constitute the upper and lower bounds for the amount of information received, while our model fills the space in between. We conclude by considering our model and findings with respect to both modern communication theory and the current information landscape to glean important insights for the development of communication-based interventions to fight rising threats to democracy, public health, and social justice. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_20460 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A Unifying Model of Information Loss in Communication Across Populations Kumar, Sagar Laber, Moritz Majumder, Maimuna S. Welles, Brooke Foucault Physics and Society Many of today's most pressing issues require a more robust understanding of how information spreads in populations. Current models of information spread can be thought of as falling into one of two varieties: epidemiologically-inspired rumor spreading models, which do not account for the noisy nature of communication, or information theory-inspired communication models, which do not account for spreading dynamics in populations. The viral proliferation of misinformation and harmful messages seen both online and offline, however, suggests the need for a model that accounts for both noise in the communication process, as well as disease-like spreading dynamics. In this work, we leverage communication theory to meaningfully synthesize models of rumor spreading with models of noisy communication to develop a model for the noisy spread of structurally encoded messages. Furthermore, we use this model to develop a framework that allows us to consider not only the dynamics of messages, but the amount of information in the average message received by members of the population at any point in time. We find that spreading models and noisy communication models constitute the upper and lower bounds for the amount of information received, while our model fills the space in between. We conclude by considering our model and findings with respect to both modern communication theory and the current information landscape to glean important insights for the development of communication-based interventions to fight rising threats to democracy, public health, and social justice. |
| title | A Unifying Model of Information Loss in Communication Across Populations |
| topic | Physics and Society |
| url | https://arxiv.org/abs/2502.20460 |