Prof Jansen was one of the keynote speakers at the International Congress for School Effectiveness and Improvement (ICSEI) Conference, held on January, 2006 the 19th in Fort Lauderdale, Florida. The conference theme was "Embracing Diversity: New Challenges for School Effectiveness and Improvement in a Global Learning Society"
In order to view this speech, please download Windows Media Player, for this is a Windows Media Audio/Video file (size 39,178 KB). Download Windows Media Player from http://www.microsoft.com/windows/windowsmedia/player/10/default.aspx. The total time is 34:39.