Can the use of force by police change the outcome of a field sobriety test?

Image: Flickr/Jeffrey SmithThe "typical" DUI pullover goes something like this: you get pulled over, the cop conducts a field sobriety test, and you either pass or fail. But what if things go a little differently? What if you try to run? Or you get into a fistfight with a cop? Can the weapons at the police officer's disposal potentially make you fail, even if you *are* sober? Well, thanks to these scientists, and the pain endurance of their volunteers, we now know! To find out, the volunteers underwent a standardized field sobriety test before and after one of five unpleasant scenarios: five-seconds of zapping with an electrical weapon; a 100-yard sprint; 45-seconds of fighting; a bite from a police dog; or pepper spray in the face. Turns out, after all of that rigamarole, none of these seemed to make a difference to the outcome of the test. But maybe there's ...