Hank's razor
If you have a sociological phenomenon with a seemingly unrelated correlation being theorized, it can be better explained by socioeconomic status.
Hank's Razor states that people who play racket sports liver longer, because they're rich and can afford healthcare, not because they play racket sports.
Hank's razor
A philosophical hypothesis that any apparent health benefits in a scientific study, unless already ruled out, is probably due to wealth and income of the healthier group.
"The study on racket sports implied that they lead to longer lives, but Hank's razor says that's probably because only rich jerks play them."
Hank's Razor
A variation on Occam's Razor devised by Hank Green theorizing that if an anomaly in society can be explained by socioeconomic status, it's probably that, rather than whatever obscure detail the anomaly is trying to measure.
Does playing racquet sports make people who play them live longer than everyone else? No, Hank's Razor indicates that people who play racquet sports are more likely to be wealthy and have better access to health care.