In reply to Sheila A..

Some data & research from links in this post:

120 case studies - http://jarche.com/2013/09/seeing-what-others-dont-review/

5 years of evidence gathering + US Bureau of Labor Studies, 1996 + EDC, Mass, 1997 + Adults learning Study, 1971 ... - http://www.slideshare.net/charlesjennings/the-702010-framework

MIT student study - http://jarche.com/2010/06/seeing-motivation-with-new-eyes/

Cynefin framework research by Snowden & Kurtz, IBM, 1999 - http://jarche.com/2014/01/connected-leadership-better-decisions/

CIO Exec Council study of 200 CIO's 2013 - http://jarche.com/2013/09/leadership-by-example/

Paul Thomas, NHS & Complexity Leadership, JPSHM, 2010 - http://jarche.com/2012/01/a-world-without-bosses/