Multitasking May Not Mean Higher Productivity
I think we've known this for decades already! Can't listen to the radio while writing o-level essays for example.
A new study says so-called "heavy multitaskers" have trouble tuning out distractions and switching tasks compared with those who multitask less. And there's evidence that multitasking may weaken cognitive ability. Stanford University professor Clifford Nass explains the work.