Keeping Track of Tweens (image) Michigan Medicine - University of Michigan Share Print E-Mail Caption How parents would respond if their tween was invited to a boy/girl party at the home of an unfamiliar family. Credit C.S. Mott Children's Hospital National Poll on Children's Health at the University of Michigan Usage Restrictions None Share Print E-Mail 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.