Todd Elder, Michigan State University (IMAGE) Michigan State University Caption A study by Todd Elder, economist at Michigan State University, argues that many children are misdiagnosed with ADHD simply because they are the youngest in their class. Credit Michigan 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.