Joseph Garner, Purdue University (IMAGE) Purdue University Caption Purdue researcher Joseph Garner found that traditional testing methods in mice increase errors in lab results. His study suggests researchers vary the environmental conditions for mice during tests to lessen the possibility of false positives. Credit Purdue Marketing and Media photo/Mark Simons Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.