In a study by the University of Manchester participants who were told they were testing a "new technology" hearing aid objectively scored better then people who

In a study by the University of Manchester participants who were told they were testing a "new technology" hearing aid objectively scored better then people who were told they got a conventional hearing aid -- but they all got the same hearing aid. That is, the placebo effect really works. The love that you pour into your audiophile hifi system may really give you a better listening experience.