They go into this in the twitter discussion: It's worth noting the datasets (except Brodeur for economics) include "less/greater than", e.g. p < .05 This i

They go into this in the twitter discussion: It's worth noting the datasets (except Brodeur for economics) include "less/greater than", e.g. p < .05 This is the reason for the bimodality, and also for economics missing the second peak due to some difference in how economics does statistics, they don't use that specific statement, so it doesn't show up as a peak. https://twitter.com/drob/status/890260541876338690 https://twitter.com/drob/status/890260541876338690