I don't see any analysis at all. I don't think there is enough evidence to claim any of these results. In a 1000 photo sample we would expect ~3% variability (n

I don't see any analysis at all. I don't think there is enough evidence to claim any of these results. In a 1000 photo sample we would expect ~3% variability (not defined), or 0.3 on these scales. Pick another 1000 samples, redo the blog post and see if there is anything in common (not that that would make it statistically significant).