Selective reporting of placebo tests in top economics journals

被引:3
|
作者
Dreber, Anna [1 ,2 ,3 ]
Johannesson, Magnus [1 ]
Yang, Yifan [1 ]
机构
[1] Stockholm Sch Econ, Dept Econ, Stockholm, Sweden
[2] Univ Innsbruck, Dept Econ, Innsbruck, Austria
[3] Stockholm Sch Econ, Dept Econ, POB 6501, S-11383 Stockholm, Sweden
关键词
metascience; placebo tests; underreporting; PUBLICATION BIAS; CREDIT; CRISIS; INCOME;
D O I
10.1111/ecin.13217
中图分类号
F [经济];
学科分类号
02 ;
摘要
Placebo tests provide incentives to underreport statistically significant tests, a form of reversed p-hacking. We test for such underreporting in 11 top economics journals between 2009 and 2021 based on a pre-registered analysis plan. If the null hypothesis is true in all tests, 2.5% of them should be significant at the 5% level with an effect in the same direction as the main test (and 5% in total). The actual fraction of statistically significant placebo tests with an effect in the same direction is 1.29% (95% CI [0.83, 1.63]), and the overall fraction of statistically significant placebo tests is 3.10% (95% CI [2.2, 4.0]).
引用
收藏
页码:921 / 932
页数:12
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