I for one am a terrible multitasker. And don't get me started on people who think that I can multi-task just because I'm a woman. Research is showing us that mutitasking is just very fast switching and not very effective.
Researchers like David E. Meyer, Director of the Brain, Cognition, and Action Laboratory at the University of Michigan, have been warning us for years that multitasking slows us down and makes us prone to errors.
~ http://lifehacker.com/more-productivity-myths-debunked-by-science-and-commo-514253858