13 percent of adult Americans say they would absolutely refuse to even try recycled water, according to a recent study in the journal Judgment and Decision Making. “A small minority of people are very offended by this, and can slow it down or stop it because of legal and political forces,” said Paul Rozin, a psychology professor at the University of Pennsylvania who studies revulsion and a co-author of the study. –“Water Flowing from Toilet to Tap May Be Hard to Swallow,” John Schwartz Which piece of evidence best supports the author’s claim? Some politicians support the idea of using wastewater. Paul Rozin studies revulsion at the University of Pennsylvania. Thirteen percent of people in a study said they would never try recycled water. Judgment and Decision Making has posted a recent study related to recycled water.