“People don’t multitask because they’re good at it. They do it because they are more distracted. They have trouble inhibiting the impulses to do another activity.”
– David Sanbonmatsu (PH.D., Psychology)
In short, that feeling of “in the zone” characterized by a hyper focus. This is where you’re super productive and want to be. It’s easy to break flow, especially in the workplace and practices most of us are used to.
Loss to Context Switching
Participating in 5 projects at once results in 75% of your time being wasted:
Study from 1991 book by Gerald Weinberg, “Quality Software Management”