the one I and my wife use (Leadership effectiveness Analysis through Management Research Group) is good but requires training in order for someone to use and interpret (several thousand dollars for training). You might look on SHL's website (I think www.SHLUSA.com maybe) or google Saville and Holdsworth, USA
Thomas J. Kramer, Chair
Division of Graduate Education
University of West Florida
Bldg 77/103
Pensacola, FL 32514
Telephone: 850.474.2949
FAX: 850.857.6288