N=31

> We acknowledge that our sample size limits the generalizability of our findings on cat greeting behaviors.

>it is therefore possible that male caregivers require more explicit vocalizations to notice and respond to the needs of their cats, which in turn reinforces cats' tendency to use more directed and frequent vocal behavior to attract their attention.

This is very funny. Ig Noble prize stuff. https://en.wikipedia.org/wiki/Ig_Nobel_Prize