Claire Cullen
ccullen.bsky.social
Claire Cullen
@ccullen.bsky.social
Head of Research and Innovation @youthimpactorg.bsky.social. Ex. @oxfordcsae.bsky.social, @blavatnikschool.bsky.social, World Bank & DFAT 🇦🇺. Evidence & Impact.

https://sites.google.com/view/ccullen
🚨So happy this is out in the world!
Our paper on 12 A/B tests finds that quick, iterative experimentation produced large cost-effectiveness gains in an education program.
Encouraging evidence for faster, rigorous learning in the social sector.
‪@noamangrist.bsky.social's summary🧵👇
October 21, 2025 at 10:36 AM