[gnicholas]

I've found the opposite — posting frequently results in decreased visibility in my experience. My wife and I trade off posting family photos of our kid, and whenever one of us has recently posted the photo gets much less of a reaction (i.e., 25 likes instead of 65).

[quantumwannabe]

I've also found the opposite: Facebook sends me notifications to check out a friend's post if they make a post after not posting for a while.