Research by Feltham & Hughes (1999) who utilised it with 94 experienced senior interim managers (drawn from a database from PA Consulting), and compared it to 149 senior managers from permanent jobs. Statistically significant differences were discovered for 12 of 20 scales. These were:

Role of the hard worker – Higher
Need to control others- Higher
Leadership role – Higher
Organised type – Higher
Integrative planner – Higher
Need for rules and supervision – Lower
Conceptual thinker – Higher
Need for change – Higher
Need to finish a task – Higher
Ease in decision making – Higher
Work pace – Higher
Need to be forceful – Higher

Source – Sean Crawford