Michael Cleveland wrist device (IMAGE) Washington State University Caption Michael Cleveland wears the Empacta E4 wrist device used in the study to measure real-world stress on participants. Credit Clara Hill, Washington State University Usage Restrictions With credit. 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.