From the preprint linked above:
> We tested a total of 42 subjects, 17 of which were females.
The published one repeated the experiment w/ day old chicks and IIRC the same number w/ the same results, so it's got a little more N than the preprint.
alt Hacker News
The published one repeated the experiment w/ day old chicks and IIRC the same number w/ the same results, so it's got a little more N than the preprint.