HBR : Women & the Vision Thing
http://hbr.harvardbusiness.org/2009/01/women-and-the-vision-thing/ar/1
As a group, women outshone men in most of the leadership dimensions measured. There was one exception, however, and it was a big one: Women scored lower on envisioningthe ability to recognize new opportunities and trends in the environment and develop a new strategic direction for an enterprise.
But was this weakness a perception or a reality? How much did it matter to womens ability to lead? And how could someone not perceived as visionary acquire the right capabilities