Carl Bonander
carlbonander.bsky.social
Carl Bonander
@carlbonander.bsky.social
Professor of Epidemiologic Methods at the University of Gothenburg. Likes trying to figure out what works and what doesn’t when it comes to health policy interventions. And cats.

https://www.gu.se/en/about/find-staff/carlbonander
Reposted by Carl Bonander
#GDRI_rep Update 8a: Major updates coming up over the next few weeks.

1st update: We reproduced "Parent–teacher meetings and student outcomes" some time ago. The paper was then retracted by the editors of the Euro Econ Rev.

Additional studies are connected (see diagram)
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August 27, 2025 at 3:33 PM
Reposted by Carl Bonander
A re-analysis of Ciacci's (2024) "Banning the purchase of sex increases cases of rape: Evidence from Sweden" Journal of Population Economics reveals major issues. A year ago, reproducers Adema, Folke, and Rickne found coding errors driving the paper's key results. Let's unpack this in a 🧵
May 9, 2025 at 12:21 PM
Reposted by Carl Bonander
#GDRI_rep Update 5: We have a new report. We reproduced the paper entitled "Partisan Effects of Information Campaigns in Competitive Authoritarian Elections: Evidence from Bangladesh" by Ahmed, Hodler and Islam published at the Economic Journal. See below for links to report and authors' responses.
March 14, 2025 at 1:25 PM
Reposted by Carl Bonander
#GDRI_rep Update 4: We have a new report. We reproduced the paper entitled "Parent–teacher meetings and student outcomes" by Islam @ European Economic Review. See below for links to report and author's response.
March 11, 2025 at 5:12 PM
Reposted by Carl Bonander
#GDRI_rep Update 3: The paper "Improving Hygiene and Sanitation through Parental Skill Training" by Asadul Islam, Umair Khalil and Tabassum Rahman was conditionally accepted at Economic Development and Cultural Change. We requested a replication package. It has now been withdrawn
March 9, 2025 at 9:05 PM
Reposted by Carl Bonander
#GDRI_rep Update 2: I4R sent a report to the original authors for the PLOS One article "“Food insecurity and mental health of women during COVID-19: Evidence from a developing country". All authors have now emailed PLOS One to withdraw their names. osf.io/7tzek/
March 3, 2025 at 6:40 PM
Reposted by Carl Bonander
We have a new report out about the #GDRI_rep. The paper has not been retracted but all three authors have withdrawn their names.
#GDRI_rep Update 2: I4R sent a report to the original authors for the PLOS One article "“Food insecurity and mental health of women during COVID-19: Evidence from a developing country". All authors have now emailed PLOS One to withdraw their names. osf.io/7tzek/
March 3, 2025 at 6:56 PM
Reposted by Carl Bonander
#GDRI_rep Update 1: I4R are now reproducing all published papers that use data from GDRI, or are closely related in other ways. Here is a first update on our work. 🧵
March 3, 2025 at 1:48 AM
Reposted by Carl Bonander
After being alerted about possible misconduct, the I4R are reproducing published papers that use data from a specific NGO (GDRI). This thread releases the first 2 reports and provides more information about the work and responses/statements from authors journals and journals. 🧵
February 24, 2025 at 1:55 AM