collision detection: Why solitary workers can be faster workers

From the article:

“For years, I’ve worked in isolation — either sitting alone in my office, or, recently, sitting in a rented cubicle in New York. I haven’t had a job that required me to work physically alongside coworkers since 1998.

And maybe that’s been a good thing for my productivity — because according to a new study, when you can see other workers performing different tasks out the corner of your eye, it slows you down. Tim Welsh, a kinesiologist at the University of Calgary, organized a nifty experiment in which he asked a subject to perform a task on a computer, alongside a partner performing a different computer task. Then he’d get
the subject to perform the task while his partner went off to another room…”