Always complete easy tasks, like reading a memo – never switch between small projects. "The mind holds only about seven pieces of information at a time," says Carnegie Mellon psychologist David Creswell. "If you switch to other tasks, those pieces of information get scrambled and need to be relearned. It's a complete time waster." Bottom line: Don't try to do two simple tasks at once.
Gear of the Year
The best tools, tech, and toys of 2013.
Plus: Lance Armstrong's Downfall
ON NEWSSTANDS NOW
Sign up to receive the Men’s Journal newsletter and special offers from MJ and its marketing partners.