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 Compare the effects of multi-tasking to smoking weed. Smoking pot drops your performance the equivalent of four IQ points. We are not suggesting you smoke weed. We are suggesting you realize the adverse implications of multi-tasking.
