Aleksandar Tomasevic @atomasevic
Researcher at the Institute of Physics, University of Belgrade. Computational social science. 🕸🐍🐧👨🏻💻 #RStats (random ordering). atomasevic.com Novi Sad, Serbia Joined March 2009-
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Aleksandar Tomasevic retweeted
How does OpenAI's OSS-120b, OSS-20b, and DeepSeek models compare to GPT-3.5, GPT-4o, Llama-3, Gemma-2, and Mixtral's models for automatic item generation and validation? How does the in-silica structural validity of items developed with GPT-3.5, GPT-4o, Llama-3, Gemma-2, and…
How does OpenAI's OSS-120b, OSS-20b, and DeepSeek models compare to GPT-3.5, GPT-4o, Llama-3, Gemma-2, and Mixtral's models for automatic item generation and validation? How does the in-silica structural validity of items developed with GPT-3.5, GPT-4o, Llama-3, Gemma-2, and…
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Aleksandar Tomasevic retweeted
IPB mesečni izazov iz fizike za srednjoškolce i studente fizike i srodnih nauka mpc.ipb.ac.rs
Aleksandar Tomasevic retweeted
Come learn with me and @larafromUVA
Aleksandar Tomasevic retweeted
Operational Validation of Large-Language-Model Agent Social Simulation: Evidence from Voat v/technology. arxiv.org/abs/2508.21740
Aleksandar Tomasevic retweeted
First talk of netgraph in beautiful Belgrade . Try to guess?
Aleksandar Tomasevic retweeted
The next three days we will enjoy interesting talks on networks and graphs at Institute of Physics Belgrade. We thank to our sponsor @PLOSComplexSys
Aleksandar Tomasevic retweeted
💔 How do people break up? 🧵 We found that insecure attachment styles & dark traits (esp. secondary psychopathy) predict more toxic breakup strategies—ghosting, manipulation, escalation—while secure people lean toward healthier endings: authors.elsevier.com/c/1ldqFheKe07mm
Aleksandar Tomasevic retweeted
More and more papers are proposing to use LLMs to simulate human agents in agent-based models. I have strong reservations about attribution/causation/interpretability in this methodology, as I discuss in this article about one (excellent) such paper: 🧪 science.org/content/articl…
Aleksandar Tomasevic retweeted
Are you a scientist who uses notebooks for learning, planning, organizing, etc? I am interested in collecting scans of scientists' lab notebooks, field journals, or personal notebooks. Please share some via this form. RT=🤟 docs.google.com/forms/d/e/1FAI…
Aleksandar Tomasevic retweeted
Come learn with me and @larafromUVA how to automatically generate items and validate them (structural validity) using Large Language Models and Network Methods from Exploratory Graph Analysis!
Come learn with me and @larafromUVA how to automatically generate items and validate them (structural validity) using Large Language Models and Network Methods from Exploratory Graph Analysis!
Aleksandar Tomasevic retweeted
Yeah we did exactly that
Yeah we did exactly that https://t.co/POD6XqPLJi
Aleksandar Tomasevic retweeted
Scenes from the International Meeting of the Psychometric Society, 2025!
Aleksandar Tomasevic retweeted
At the International Meeting of the Psychometric Society (@pmetricsoc ) with Alex Christensen, Aleksandar Tomasevic (@atomasevic ), and Lara Russell-Lasalandra (@larafromUVA)!
Aleksandar Tomasevic retweeted
Tomorrow, from 9 to 10:15 am at @pmetricsoc, join us for our symposium - Generative Psychometrics: Advancing Psychological Scale Development Through Large Language Models. Lara Russell-Lasalandra will (@larafromUVA) talk about AI-GENIE: A simulation study on the fully automatic…
Niels Bohr tour of Coppenhagen Colliderscope is very cool! The lights on the building are based on real-time signals of particles from LHC Atlas experiment collisions 🤯
Aleksandar Tomasevic retweeted
🚨New paper alert! We explored the network invariance of Short Dark Triad across 14 cultures using novel approach based on exploratory graph analysis 🌎Unique features of each trait are universal, but others (revenge, entitlement) vary doi.org/10.1016/j.paid…
Aleksandar Tomasevic retweeted
Our introduction to the National Internet Observatory, a platform for collecting and sharing online activity data designed for researchers, is happening this afternoon at #ica25
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