Kirstan Brodie
@kirstanbrodie.bsky.social
PhD student at Cornell studying intergroup cognition | NSF GRFP fellow | baking enthusiast | she/her
kirstanbrodie.github.io
kirstanbrodie.github.io
Reposted by Kirstan Brodie
🧠💡 This feat of study by Kasper Otten and colleagues analyzed 1.5M decisions from 135K people in online public-goods games. Takeaway? When group membership changes (people leave, newcomers join), cooperation drops. Stable groups = stronger cooperation.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Human cooperation in changing groups in a large-scale public goods game - Nature Communications
Little is known about the dynamics of human cooperation in groups with changing compositions. Using data from a large-scale and long-term online public goods game, this study shows how group changes a...
www.nature.com
December 9, 2025 at 6:50 PM
🧠💡 This feat of study by Kasper Otten and colleagues analyzed 1.5M decisions from 135K people in online public-goods games. Takeaway? When group membership changes (people leave, newcomers join), cooperation drops. Stable groups = stronger cooperation.
www.nature.com/articles/s41...
www.nature.com/articles/s41...