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Carl Bonander

@carlbonander.bsky.social
17 followers 17 following 0 posts

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. www.gu.se/en/about/find-staff/carlb…

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Reposted by Carl Bonander
Institute for Replication @i4replication.bsky.social · 27/08/2025
#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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Reposted by Carl Bonander
Institute for Replication @i4replication.bsky.social · 09/05/2025
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 🧵
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Reposted by Carl Bonander
Institute for Replication @i4replication.bsky.social · 14/03/2025
#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.
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Reposted by Carl Bonander
Institute for Replication @i4replication.bsky.social · 11/03/2025
#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.
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Reposted by Carl Bonander
Institute for Replication @i4replication.bsky.social · 09/03/2025
#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 It has now been withdrawn
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Reposted by Carl Bonander
Institute for Replication @i4replication.bsky.social · 03/03/2025
#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/
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Reposted by Carl Bonander
Essi Kujansuu @essieconomist.bsky.social · 03/03/2025
We have a new report out about the #GDRI_rep. The paper has not been retracted but all three authors have withdrawn their names.
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Reposted by Carl Bonander
Institute for Replication @i4replication.bsky.social · 03/03/2025
#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. 🧵
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Reposted by Carl Bonander
Institute for Replication @i4replication.bsky.social · 24/02/2025
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. 🧵
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