Wondering how you can achieve more at work?  I was intrigued by this study of six companies which shows that 21% of managers without formal power send redundant messages — for example, an email message after a face-to-face meeting — compared with just 12% of managers who have formal power.

But the powerless managers get tasks done faster and with fewer hiccups; managers with power appear to assume that employees will follow their requests, say Tsedal Neeley of Harvard Business School and Paul Leonardi of Northwestern University, interviewed for the "Defend Your Research" feature in the May 2011 issue of Harvard Business Review.

Check out the full article here - it could be just the tip you need!