Petter Törnberg

1. Can We Fix Social Media? Testing Prosocial Interventions using Generative Social Simulation
   2025/08/05 by Maik Larooij, Petter Törnberg, Larooij, Maik +1 · 36 voices · 1 citation
   #cs.SI #cs.CY
2. Shifts in U.S. Social Media Use, 2020-2024: Decline, Fragmentation, and Enduring Polarization
   2025/10/29 by Petter Törnberg, Törnberg, Petter · 32 voices
   #cs.CY
3. When Do Parties Lie? Misinformation and Radical-Right Populism Across 26 Countries
   2025/01/13 by Petter Törnberg, Juliana Chueri · 23 voices · 11 citations
   Social Sciences · #Misinformation and Its Impacts #Media Influence and Politics #Social Media and Politics
4. How digital media drive affective polarization through partisan sorting
   2022/10/10 by Petter Törnberg · 1 voice · 47 citations
   Physics and Astronomy · Social Sciences · #Opinion Dynamics and Social Influence #Social Media and Politics #Electoral Systems and Political Participation
5. Simulating Social Media Using Large Language Models to Evaluate Alternative News Feed Algorithms
   2023/10/05 by Petter Törnberg, Diliara Valeeva, Диляра Валеева +7 · 4 voices · 13 citations
   Social Sciences · #Computational and Text Analysis Methods #Social Media and Politics #cs.AI #cs.MA #cs.SI
6. Large Language Models Outperform Expert Coders and Supervised Classifiers at Annotating Political Social Media Messages
   2024/09/22 by Petter Törnberg · 1 voice · 16 citations
   Computer Science · Social Sciences · #Computational and Text Analysis Methods #Sentiment Analysis and Opinion Mining #Topic Modeling
7. Echo chambers and viral misinformation: Modeling fake news as complex contagion
   2018/09/20 by Petter Törnberg · 1 voice · 2 citations
   Physics and Astronomy · Social Sciences · #Media Influence and Politics #Misinformation and Its Impacts #Opinion Dynamics and Social Influence
8. Best Practices for Text Annotation with Large Language Models
   2024/02/05 by Petter Törnberg, Törnberg, Petter · 2 voices · 9 citations
   Computer Science · #Computation and Language (cs.CL) #FOS: Computer and information sciences #Natural Language Processing Techniques #Semantic Web and Ontologies #Topic Modeling
9. Toxic Bias: Perspective API Misreads German as More Toxic
   2023/12/19 by Gianluca Nogara, Nogara, Gianluca, Francesco Pierri +9 · 2 voices · 4 citations
   Computer Science · #Hate Speech and Cyberbullying Detection #cs.SI
10. Do Large Language Models Solve the Problems of Agent-Based Modeling? A Critical Review of Generative Social Simulations
    2025/04/04 by Maik Larooij, Petter Törnberg, Larooij, Maik +1 · 1 voice · 11 citations
    Social Sciences · Physics and Astronomy · #Computational and Text Analysis Methods #Language and cultural evolution #Opinion Dynamics and Social Influence
11. ChatGPT-4 Outperforms Experts and Crowd Workers in Annotating Political Twitter Messages with Zero-Shot Learning
    2023/04/13 by Petter Törnberg, Törnberg, Petter · 5 citations
    Computer Science · #Artificial Intelligence (cs.AI) #Computation and Language (cs.CL) #FOS: Computer and information sciences #Hate Speech and Cyberbullying Detection #Social and Information Networks (cs.SI) #Text Readability and Simplification #Topic Modeling
12. Combining CDA and topic modeling: Analyzing discursive connections between Islamophobia and anti-feminism on an online forum
    2016/03/28 by Anton Törnberg, Petter Törnberg · 2 citations
13. It’s Not Polarization; It’s the Radicalization of the Political Right
    2026/07/07 by Petter Törnberg · 6 voices
    Social Sciences · #Terrorism, Counterterrorism, and Political Violence #Populism, Right-Wing Movements #Political Conflict and Governance
14. Computational Turing Test Reveals Systematic Differences Between Human and AI Language
    2025/11/06 by Nicolò Pagan, Petter Törnberg, Pagan, Nicolò +7 · 4 voices
    Psychology · Medicine · Social Sciences · #Mental Health via Writing #Artificial Intelligence in Healthcare and Education #Computational and Text Analysis Methods
15. Prompt Stability Scoring for Text Annotation with Large Language Models
    2024/07/02 by Christopher Barrie, Barrie, Christopher, Elli Palaiologou +3 · 2 voices · 2 citations
    Computer Science · #Computation and Language (cs.CL) #FOS: Computer and information sciences #Natural Language Processing Techniques #Semantic Web and Ontologies #Topic Modeling #cs.CL
16. Elite Political Discourse has Become More Toxic in Western Countries
    2025/03/28 by Petter Törnberg, Juliana Chueri, Törnberg, Petter +1 · 5 voices · 1 citation
    Social Sciences · #Populism, Right-Wing Movements #Climate Change Communication and Perception #Computational and Text Analysis Methods
17. Emergent LLM behaviors are observationally equivalent to data leakage
    2025/05/26 by Christopher Barrie, Petter Törnberg, Barrie, Christopher +1 · 3 voices · 2 citations
    #cs.CL #cs.GT
18. Political Bias Audits of LLMs Capture Sycophancy to the Inferred Auditor
    2026/04/30 by Petter Törnberg, Michelle Schimmel · 4 voices · 1 citation
    #cs.AI
19. How to use LLMs for Text Analysis
    2023/07/24 by Petter Törnberg, Törnberg, Petter · 2 citations
    Computer Science · #Natural Language Processing Techniques
20. Online Homogeneity Can Emerge Without Filtering Algorithms or Homophily Preferences
    2025/08/14 by Petter Törnberg, Törnberg, Petter · 3 voices
    #cs.SI #cs.CY