Marcie Schorr Hirsch, in a Harvard Business Publishing blog article called What Separates the Extremely Successful from the Pack, describes the results of a fascinating research project.  She studied 12 sets of matched pairs of executives; in each pair, one was a moderately successful mid-level executive and the other was a high level “extremely successful” executive of the same age, gender, race, educational level and organizational background.  She asked them questions to determine what they considered to be success factors and found that they attributed their success to the same sources; for example, 22 out of 24 of them said that being married played into their career success.  What differed was the way in which they described how the success factors contributed. “The members of the extreme talent group — from their optimizing of other relationships without adhering to the limits of job descriptions (why couldn’t a comptroller offer creative…