How multitasking decreases your chances of getting promoted at work
The reason is that the human brain can only fully concentrate on one task at a time. So, before you begin working on something else, finish the previous task and let it go!
Giang refers to Cal Newport, Georgetown professor and author of Deep Work: Rules for Focused Success in a Distracted World, and reports the following: if you’re unable to accomplish important work that requires full focus, then you should probably change your job! If you can’t manage to do the crucial tasks that bring added value to the company, then you won’t grow professionally.
Different studies show that constantly switching from one task to another reduces “brain brightness.” Giang cites some research conducted by the University of London, which reveals that multitasking reduces IQ by 10 to 15 points. Someone who multitasks has the impression that they’re being super-productive when in reality, they’re working unproductively.
Companies may lose profit because of employees that multitask. Furthermore, constant multitasking leaves permanent damage to areas in brain that are responsible for controlling emotions and empathy. If you can’t properly organize your tasks, you can’t do them accurately.
Nowadays office environments are producers of busy multitaskers. The average workday can start with a meeting, then switch to work, then speak about yesterday’s problems, back to work, scroll some news, etc.
To stop multitasking, the way you handle tasks should be changed. To work more efficiently, you should have as much time as you can without interruption and distraction.