Sibling Rivalry and Relationship Quality (VIDEO) University of Missouri-Columbia This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Whether it is about who gets to ride shotgun or who wore a shirt without asking, siblings fight. While seemingly innocent, a recent study at the University of Missouri reveals that certain types of fights can affect the quality of sibling relationships. Credit MU News Bureau 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.