“Research shows that when you receive frequent interruptions while working on a task, your performance drops the equivalent of ten IQ points. In other words, when you multi-task you are ten points dumber on the core task than you are if you just focused on the core task. Some of us cannot afford to multi-task.1.”

“Research shows that when you receive frequent interruptions while working on a task, your performance drops the equivalent of ten IQ points. In other words, when you multi-task you are ten points dumber on the core task than you are if you just focused on the core task. Some of us cannot afford to multi-task.1.”

— Thom S. Rainer