David Marcus, Washington State University (IMAGE) Washington State University Caption Washington State University psychology professor David Marcus has measured spitefulness with a test similar to those used for other personality traits. Credit Robert Hubner/Washington State University 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.