In this video, Dr. Peggy Giordano, Ph.D., Bowling Green State University, discusses her research on what characterizes teen dating violence and how it changes over time. Dr. Giordano also talks about how conflict over key areas within a relationship can increase the risk of violence. Information generated by the National Institute of Justice (NIJ) is in the public domain. Citing NIJ as the source of the information, it may be reproduced, published or otherwise used without permission. The content presented in this video is not intended to create, does not create, and may not be relied upon to create any rights, substantive or procedural, enforceable by law by any party in any matter civil or criminal. Opinions or points of view expressed in this videos represent those of the speakers and do not necessarily represent the official position or policies of the U.S. Department of Justice. Any products and manufacturers discussed in these videos are presented for informational purposes only and do not constitute product approval or enforcement by the U.S. Department of Justice.