The May 2011 issue of Harvard Business Review includes an interview with David Allen and Tony Schwartz, entitled, "Being More Productive." Toward the end of the interview, Allen (author of "Getting Things Done") says with great confidence, "You can only do one thing at a time."
That made me think about the concept of multi-tasking, and how businesses and managers value the act and the people who say they can do it.
My thought process goes like this: Can you truly write with both hands at the same time, each hand writing something different? Can you actually read two books at the same time, each with only one eye, understanding and retaining both stories or messages? Or are you really just shifting back and forth between two tasks, making a little progress on one and then shifting to the other, making a little progress on the second and shifting back to the first?
To me, this seems both ineffective and inefficient. Let's say you have two tasks to accomplish, each of which should take one hour. If you are going back and forth between the two, then it will take you almost two hours to finish the first task, maybe more than two hours. Further, if you add the time it will take to get into the mindset of each task every time you switch back and forth, and the fact that you might have to reread or rethink part of what you've already accomplished to get back on track, it could take much more than two hours to complete the two one-hour tasks.
It is a good thing to be able to balance a multitude of priorities and directives from a number of managers, but the fact is that we do the highest priority task first. When we reach a point where we must wait for someone else to do something (review a draft, for example) or provide additional data, we can turn to another priority in the interim. All well and good. But working on two different things in one day is not the same as working on two different things at the same time.
For me, the belief that "multi-tasking" means doing two things at once, making them feel simultaneous by carving each into very small consecutive pieces, is simply a delusion that results in being both ineffective and inefficient. I think managers and clients should be less impressed with people who claim they can "multi-task" and more impressed with people who demonstrate that they can focus and produce.