Leroy introduced an effect she called attention residue. In the introduction to this paper, she noted that other researchers have studied the effect of multitasking-trying to accomplish multiple tasks simultaneously-on performance, but that in the modern knowledge work office, once you got to a high enough level, it was more common to find people working on multiple projects sequentially: "Going from one meeting to the next, starting to work on one project and soon after having to transition to another is just part of life in organizations," Leroy explains. The problem this research identifies with this work strategy is that when you switch from some Task A to another Task B, your attention doesn't immediately follow-a residue of your attention remains stuck thinking about the original task. This residue gets especially thick if your work on Task A was unbounded and of low intensity before you switched, but even if you finish Task A before moving on, your attention remains divided for a while.
( Cal Newport )
[ Deep Work: Rules for Focused ]
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