Not to mention the test needs some major usability tweaks. If the point is to test snap judgements, but you have to sit there and think about what button to pus

Not to mention the test needs some major usability tweaks. If the point is to test snap judgements, but you have to sit there and think about what button to push to convey a snap judgement, then there's no way the results are going to be accurate. This study could have really used a UX/UI designer.