On: Looks vs. Results: My ugly ad got 150% more clicks than a professional design

[whimsicalism]

Fisher's exact test p-value of 0.007 is pretty decent, not "not great."

[contravariant → whimsicalism]

I assume that one takes the uneven sampling into account? That should boost the significance a bit, though perhaps a bit more than I'd originally assumed. It remains a back of the envelop calculation after all.