And if you see that, wow, this group definitely has a higher blood pressure. This group has a higher blood pressure. So the blood pressure, the blood pressure is higher here. And once again, some of this might have just happened randomly. It might have been, you know, the people you happened to put in there, et cetera, et cetera. But depending, if this was a large enough experiment, and you conducted it well, this says, hey, look, there's, I'm feeling like there's a causality here. That by making these people spend more time in front of a computer, that that actually raised their blood pressure.