Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/281136 
Year of Publication: 
2024
Series/Report no.: 
I4R Discussion Paper Series No. 101
Publisher: 
Institute for Replication (I4R), s.l.
Abstract: 
Pre-registration is regarded as an important contributor to research credibility. We investigate this by analyzing the pattern of test statistics from the universe of randomized controlled trials (RCT) studies published in 15 leading economics journals. We draw two conclusions: (a) Pre-registration frequently does not involve a pre-analysis plan (PAP), or sufficient detail to constrain meaningfully the actions and decisions of researchers after data is collected. Consistent with this, we find no evidence that pre-registration in itself reduces p-hacking and publication bias. (b) When pre-registration is accompanied by a PAP we find evidence consistent with both reduced phacking and publication bias.
Subjects: 
Pre-analysis plan
Pre-registration
p-Hacking
Publication
bias
Research credibility
JEL: 
B41
C13
C40
C93
Document Type: 
Working Paper

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