It has a mean right over here at 1.2 seconds. And the result we got was three standard deviations below the mean. One, two, three standard deviations below the mean. That was what our 1.05 seconds were. So when you set it up like this, where you're not just saying that the drug has an effect, in that case, and that was the last video, you'd look at both tails. But here we're saying we only care, does the drug lower our response time? And just like we did before, you say, okay, let's say the drug doesn't lower our response time.