2
Twenty-nine research teams analyzed the same data, and they all reached different results.
(fivethirtyeight.com)
A place to share and discuss data visualizations. #dataviz
(under new moderation as of 2024-01, please let me know if there are any changes you want to see!)
The chart sure makes it look like there was an overall consensus that refs are about 1.5x as likely, though.