It’s xkcd on statistical significance. I need to stop eating all those green jelly beans.
I hear there’s also a link between sunshine and lollipops.
If every news article came with a caveat about multiple-testing corrections, we’d be in for some very long news articles indeed.
I actually based a whole lecture on this comic yesterday. My students are just starting to understand p-values so it was perfect!
Can someone help me find the semi-satirical academic paper published debunking an earlier paper finding support for telepathy? It was a hoot, and its dismantling of the original paper was based on precisely this multiple-testing issue.
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There are rules—usually for specific chart types meant to be read in a specific way—that you shouldn’t break. When they are, everyone loses. This is that small handful.
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