Here are some more helpful links:
http://www.arpaioforsenate.com/keeping-the-communication-lines-open-between-you-and-your-kids/
http://www.modernmom.com/article-7906-15-tips-for-communicating-with-your-teen/
http://www.helium.com/items/1939098-communicating-with-teens
http://www.family-life.eu/2010/09/parents-are-you-really-listening.html