We pride ourselves on doing more in less time, juggling emails, decisions, and deadlines as if productivity were a competitive sport. But what feels like efficiency is often just rapid task-switching, ...

Our increasingly busy lives are often sustained, at least in theory, by multitasking—rapidly switching attention between tasks rather than doing them truly in parallel or completing them one at a time ...

Multitasking usually lowers productivity because most people are “task switching,” which creates a mental “switch cost” that slows processing and reduces accuracy. Switching between tasks strains ...