In 2013 four researchers went back to a completed mammography study and asked it a question it had not been designed to answer. The original study had put 50 radiologists in front of 180 mammograms, twice. Once unaided, once with computer-aided detection marking suspicious regions.
Source: [Dev.to](https://dev.to/harryfloyd/the-average-is-nobodys-result-5hln)