Lightnews — Scholar-powered news

youtube.com

A Microsimulation Model of Behaviour Change Calibrated to Reversal Learning Data

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Sep 3

This study rethinks #StakeholderEngagement in #AgentBasedModeling, exploring hidden dimensions of #Expertise, its diverse sources, and its subtle influence on #ComputationalModels and the #ModellingProcess.

Read the full #OpenAccess article on #jasss: jasss.org/28/3/10.html

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Aug 27

Can #AI accelerate #ABM development? By leveraging #LLMs like #ChatGPT & #Llama, this study shows how automating model feature extraction can transform simulation design & boost efficiency.

Read the full #OpenAccess article on #jasss: www.jasss.org/28/3/9.html

2

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Aug 22

What if predicting #behaviorchange was simpler than we thought? Hugo Lyons Keenan, Roben Delos Reyes &
@camzachreson.bsky.social show how just two data-driven parameters in a #microsimulation reveal real #learning and persistence patterns.

youtu.be/71nq_Hg-Ff8?...

How Multiple Leadership and Flattened Status Structures Affect Cooperation in Task Groups

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Aug 20

Understanding #behaviorchange is vital to explain collective phenomena. This new #microsimulation captures #learningdynamics with just 2 parameters, offering a validated step toward better #collectivebehavior modeling.

Read #OpenAccess on #jasss: www.jasss.org/28/3/8.html

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Aug 16

How do #opinions evolve on social media? A new #simulation framework merges #ABM, #LLMs & #ReinforcementLearning to ethically explore topic-specific #influence and the emergence of #opinionleaders in digital communities.

Read #OpenAccess on #JASSS: jasss.org/28/3/6.html

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Jul 28

An #AgentBasedModel calibrated on South Korea reveals how #financialpolicies —#interestrates and #DSR limits—reshape #marketconcentration. Results expose firm-level mechanisms, thresholds, and macro trade-offs.

Read #OpenAccess on #JASSS: www.jasss.org/28/3/5.html

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Jul 24

What happens when small task groups have multiple #leaders instead of one? New insights from #evolutionary #gametheory and #ABM reveal the trade-offs between clarity, #cooperation, and #status.

Watch the teaser by Prof. Hsuan-Wei Lee! youtu.be/Y_IR7iaKuKw

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Jul 22

How do #status #hierarchies shape #cooperation in task groups? Using #ABM and #evolutionary #gametheory, this study reveals that #multileader hierarchies can work—but less effectively than single-leader ones.

Read the full #OpenAccess article on #jasss: www.jasss.org/28/3/4.html

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Jul 14

This #ABM extends the Hegselmann-Krause framework by adding #dynamic #socialidentity. Results show how #openmindedness and #identity granularity shape #polarization — revealing when diversity bridges divides or reinforces them.

Read #OpenAccess on #jasss: www.jasss.org/28/3/3.html

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Jul 7

Can #ChatGPT help design agent-based models? This pioneering study shows how #PromptEngineering and #CAISs can support fast, creative #SocialSimulation #modeling. A promising step for #AI in #ComputationalSocialScience.

Read #OpenAccess on #jasss: www.jasss.org/28/3/2.html

4

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Jun 30

Can #polarization emerge without echo chambers or repulsion? This #OpinionDynamics #ABM grounded in #Psychology shows how the need for certainty drives ideological alignment—and division—across social and economic issues.

Read #OpenAccess on #jasss: www.jasss.org/28/3/1.html

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · May 12

What can a group of three tell us about #opiniondynamics? This study tracks how open and closed #triads evolve in a #abm #BoundedConfidence #model—revealing how consensus (or not) emerges in #socialnetworks.

Read #OpenAccess on #jasss: www.jasss.org/28/2/6.html

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · May 7

Why do #substanceuse patterns often follow a U-shaped curve? A simple, theoretically grounded #computationalmodel simulates individual decisions and, for the first time, explains this population-level pattern.

Read #OpenAccess on #jasss: www.jasss.org/28/2/5.html

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Apr 28

Can #gaming foster real-world #solutions to #wasteissues? Discover how RÁC, an #abm serious game, helps rural communities in #Vietnam build collective strategies for #sustainable #wastemanagement.

Read #OpenAccess on #jasss: jasss.org/28/2/4.html

Communicating Agent-Based Models to Stakeholders: A Scoping Review

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Apr 18

How can we better #communicate complex Agent-Based Models to those who need them most? Zenith Arnejo’s #scopingreview reveals key gaps and strategies to boost #abm transparency, trust, and impact toward stakeholders. Watch the teaser!

youtu.be/lHC-RTduIB8?...

Integrated Framework for Modelling Individual Motivations, Social Exchange and Network Dynamics

1 2

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Apr 16

Why aren't Agent-Based models widely adopted outside academia? A new #systematic #review reveals key #communication gaps with stakeholders and offers solutions to enhance broader #ABM understanding and effective application.

Read #OpenAccess on #jasss: jasss.org/28/2/2.html

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Apr 7

How can we evaluate #healthpolicy that depends on life-course outcomes like retirement savings, wealth, or debt? Meet LHIEM—a novel #microsimulation combining path dependency & yearly dynamics for realistic policy insights!

Read #openaccess on #jasss: www.jasss.org/28/2/1.html

1 3

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Mar 27

JASSS has issued a corrigendum for "Identifying Personal and Social Drivers of Dietary Patterns: An Agent-Based Model of Dutch Consumer Behavior" (2024). Corrections led to minor adjustments and the overall findings remain consistent.

Details: www.jasss.org/28/2/3.html

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Mar 17

Is #peerreview the unsung hero of #academicintegrity? Explore Flaminio Squazzoni's editorial on the 'social contract' binding our #scholarlycommunity and discover the new initiatives JASSS is implementing to motivate reviewers!

Read the full #openaccess article on #jasss: jasss.org/28/1/6.html

1 3

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Mar 10

How can we model #disease #spread with both individual granularity and population-level efficiency? This novel #hybrid approach integrates #ABM with #compartmental #models for a nuanced, computationally feasible solution.

Read #openaccess on #jasss: www.jasss.org/28/1/5.html

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Mar 5

How do human motives, cognitive dissonance, decision strategies, and social influence shape opinions and behaviors within a networked community? Wander Jager introduces "HUMAT", the latest tool for exploring these complex social dynamics. Watch the teaser!

youtu.be/TwXdT56yjcI

Behavioral Dynamics of Epidemic Trajectories and Vaccination Strategies: A Simulation-Based Analysis

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Mar 3

Meet HUMAT, a powerful #modeling framework that simulates how #social #dynamics—#opinions, #behaviors, and #influence—evolve in #networks. From tech adoption to online debates, HUMAT helps researchers decode social complexity.

Read #OpenAccess on #JASSS: jasss.org/28/1/4.html

JASSS - Journal of Artificial Societies and Social Simulation @jasssjournal.bsky.social · Feb 27

Ziyuan Zhang breaks down the key findings of his latest article published in #jasss. How does human behavior shape epidemic dynamics? Watch the video to find out how this ABM challenges conventional wisdom on pandemic response and vaccination strategies!

www.youtube.com/watch?v=K_1Z...