Reposted by Erik AndersenJason Kerwin @jkerwin.bsky.social · 03/09/2026How do kids actually learn to read? We tackle this question in a new paper that studies a program that tripled (!!) reading gains in Ghanaian 1st-grade classrooms. Its impacts match a model of cumulative reading ability, which we will assess with future waves of data. 23311
Reposted by Erik AndersenInnovations for Poverty Action @poverty-action.bsky.social · 28/08/2026Can teachers reliably assess their own students? New research across 40 schools finds that teachers’ reading assessments closely matched those of independent assessors. 111
Reposted by Erik AndersenJason Kerwin @jkerwin.bsky.social · 12/03/2026Development Impact is featuring my fantastic coauthor Monica Lambon-Quayefio! Amazing to see all the cool stuff she is working on. 151
Reposted by Erik AndersenDavid McKenzie @dmckenzie.bsky.social · 11/03/2026In today's blog, 6 questions with Monica Lambon-Quayefio: her pathway from growing up in rural northern Ghana to becoming a development economist, how she formed networks as an African academic, how she goes about teaching development in Ghana, & her research blogs.worldbank.org/en/impacteva...blogs.worldbank.orgSix Questions with Monica Lambon-Quayefio 041
Reposted by Erik AndersenEva Vivalt @evavivalt.bsky.social · 13/02/2026Check it out and get your free report here: earlyreview.ai Looking for more beta testers and collabs - get in touch if you have a special use case. 8/8earlyreview.aiEarlyReviewVerification for pre-analysis plans and registered reports 021
Reposted by Erik AndersenJason Kerwin @jkerwin.bsky.social · 17/12/2025In an A/B test we found that training principals to coach teachers in their schools improved teaching quality by 24 percent! These results are still tentative—but good enough for our implementing partner to keep running this intervention. 3141
Reposted by Erik AndersenMatt Darling @besttrousers.bsky.social · 02/10/2025Let's say I want to make a ranked list of "Illiad" heroes. If I use the recorded 1 vs. 1 duels and the Chess ELO rating system, I get this result. Is there an alternative method that accounts for the data being censored (ie, in most duels the loser no longer appears in the data). 2318622
Erik Andersen @eander462.bsky.social · 28/03/2025Check out my new blog post explaining a simpson's paradox in some UNICEF data. #econsky erik-t-andersen.com/blog/simpson...erik-t-andersen.comDo the Poorest Children in Ghana Know about Sheepskin? – Erik AndersenA Simpson’s Paradox in the wild. 010
Erik Andersen @eander462.bsky.social · 27/03/2025It has my new(ish) blog. All that's up right now is this post about Linux I wrote in my masters program, but more to come soon! erik-t-andersen.com/blog/blogerik-t-andersen.comBlog – Erik AndersenPhD Student, University of Washington 010
Erik Andersen @eander462.bsky.social · 27/03/2025I made a new website using Quarto! Check it out here: erik-t-andersen.comerik-t-andersen.comErik AndersenPhD Student, University of Washington 010