Michael Heseltine
@michaelheseltine.bsky.social
Post-Doc at University of Oxford. Congress, text-as-data, and political communications.
And here's Facebook. Really does seem to be a Covid term!
August 26, 2025 at 3:33 PM
And here's Facebook. Really does seem to be a Covid term!
Size matters: LLama 3.1/3.3 70b perform best, along with Qwen2/2.5 72b. Gemma2 and Phi4 stand out as strong mid-sized models. Many smaller models produce poor results. Model selection can have a huge impact on your results!
August 12, 2025 at 4:28 PM
Size matters: LLama 3.1/3.3 70b perform best, along with Qwen2/2.5 72b. Gemma2 and Phi4 stand out as strong mid-sized models. Many smaller models produce poor results. Model selection can have a huge impact on your results!
📜Preprint!📜
GPT5 replacing GPT4 effectively renders a whole range of existing GPT-reliant research unreproduceable. Open-source LLMs offer a science-friendly alternative, but which to use? I test 28 different LLMS in 7 languages so you can pick the best models for your task. osf.io/preprints/os...
GPT5 replacing GPT4 effectively renders a whole range of existing GPT-reliant research unreproduceable. Open-source LLMs offer a science-friendly alternative, but which to use? I test 28 different LLMS in 7 languages so you can pick the best models for your task. osf.io/preprints/os...
August 12, 2025 at 4:28 PM
📜Preprint!📜
GPT5 replacing GPT4 effectively renders a whole range of existing GPT-reliant research unreproduceable. Open-source LLMs offer a science-friendly alternative, but which to use? I test 28 different LLMS in 7 languages so you can pick the best models for your task. osf.io/preprints/os...
GPT5 replacing GPT4 effectively renders a whole range of existing GPT-reliant research unreproduceable. Open-source LLMs offer a science-friendly alternative, but which to use? I test 28 different LLMS in 7 languages so you can pick the best models for your task. osf.io/preprints/os...
My article "Asymmetric Polarization in Online Media Engagement in the United States Congress" is published in the latest edition of IJPP. Republican media engagement and sharing on social media has increased in extremity over time, but not Democratic. Clear Trump effect. doi.org/10.1177/1940...
December 20, 2024 at 1:47 PM
My article "Asymmetric Polarization in Online Media Engagement in the United States Congress" is published in the latest edition of IJPP. Republican media engagement and sharing on social media has increased in extremity over time, but not Democratic. Clear Trump effect. doi.org/10.1177/1940...
Underlying this is 1) an increasing reliance on Fox News and some alt-right media, replacing mainstream and legacy media outlets. 2) an increasing link between Member ideology and media ideology. 3) Rs see more engagement when sharing more extreme media, Ds do not, suggesting a demand-side element.
November 27, 2023 at 6:21 PM
Underlying this is 1) an increasing reliance on Fox News and some alt-right media, replacing mainstream and legacy media outlets. 2) an increasing link between Member ideology and media ideology. 3) Rs see more engagement when sharing more extreme media, Ds do not, suggesting a demand-side element.