An international team of experts repeated 100 experiments published in top psychology journals and found that they could reproduce only 36% of original findings.
The study, which saw 270 scientists repeat experiments on five continents, was launched by psychologists in the US in response to rising concerns over the reliability of psychology research.
“There is no doubt that I would have loved for the effects to be more reproducible,” said Brian Nosek, a professor of psychology who led the study at the University of Virgina. “I am disappointed, in the sense that I think we can do better.”
“The key caution that an average reader should take away is any one study is not going to be the last word,” he added. “Science is a process of uncertainty reduction, and no one study is almost ever a definitive result on its own.”
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