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Time Management · 2 min read

What is Wrong With Multitasking?

Learn why multitasking drains mental energy, lowers focus and slashes productivity. Discover how single task time management boosts work quality and efficiency.

Chris Farmer, Founder of Corporate Coach Group

“Multitasking feels fast, yet it splits your limited mental energy, weakens focus and turns complex jobs into costly errors; work improves only when you aim all attention at one task, then rest, reset and tackle the next job with the same clear, full effort.”

Chris Farmer — Founder, Corporate Coach Group

What is Wrong With Multitasking?

What is Wrong With Multitasking?

Multitasking is the act of attempting to effectively perform multiple tasks simultaneously.

Some time management trainers advocate "multitasking" as a way to become more productive.

This is wrong advice. Because, if your aim is to perform complex tasks effectively then multitasking prevents you from achieving that goal.

People who attempt to perform multiple complex tasks simultaneously, mess up.

Effective performance can only be achieved when we focus and concentrate on one task at a time.

Why? Because the mind has only a limited amount of energy available to it, which can either be focused onto a single point of high intensity effort, or dissipated across many points, with a corresponding drop in intensity applied to each point.

Effective performance of any complex task requires high intensity mental effort, which can ONLY be accomplished by concentrating 100% of available energy onto a single point.

If more than one task is attempted, then the intensity of effort applied to each task, must be reduced to less than one hundred per cent.

Therefore, an insufficient amount of mental energy is applied to the completion of each task.

The reduced intensity of applied effort will NEVER be sufficient to "crack the case", no matter how long it is applied.

So, it is vital that we focus our minds ONLY onto the task at hand.

We concentrate on performing it in the most perfect form possible.

Then we rest and recuperate.

Then we refocus our minds onto the next task and give it the maximum concentration we can muster, and in the best form we can.

Then we rest, recuperate and repeat.

We don't try to shoot two ducks with one shot, because we will miss both.

Instead we get the ducks in a row and knock them off, one at a time.

"Concentrate all your thoughts upon the work in hand. The sun's rays do not burn until brought to a focus". Alexander Graham Bell

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multitasking

In business, multitasking means trying to do two or more thinking jobs at the same time. You split your mind between mixed tasks, jump your focus back and forth in quick steps, and cut the deep effort each job needs. If you work on one task after another instead, that is not multitasking.

CG4D Definition

Context: Business
Genus: Practice

  • The person attempts two or more tasks together
  • Each task calls for active mental effort
  • The tasks run at the same time instead of in clear order
  • The person switches attention back and forth between tasks

Article Summary

Multitasking feels fast, yet it splits your limited mental energy, weakens focus and turns complex jobs into costly errors; work improves only when you aim all attention at one task, then rest, reset and tackle the next job with the same clear, full effort.

Chris Farmer, Founder of Corporate Coach Group

Written by Chris Farmer

Founder & Lead Trainer, Corporate Coach Group

Chris Farmer is the founder of the Corporate Coach Group and has over 25 years experience designing and delivering leadership and management training across both the public and private sectors. His programmes are structured, practical and built around real-world performance. Read more about Chris and the story of how the Corporate Coach Group was founded.

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Key Statistics

In 2022, University of California, Irvine researchers observed that office workers switched focus every 47 seconds on average, down from more than 3 minutes in 2004.

Microsoft’s 2023 Work Trend Index, based on a survey of 31,000 employees, found that 68% say they do not get enough uninterrupted focus time during the workday.

Frequently Asked Questions

Common questions about this topic

No. Splitting focus lowers quality, slows progress and raises mistakes. One complex task at a time gives best results.
The brain holds limited mental energy. Switching drains that fuel, so each job gets less thought and performance drops.
A clear focus channels all energy into one goal, cuts errors and speeds completion, so overall productivity rises.
Each task receives only a slice of power. The lower intensity cannot crack tough work, so progress stalls.
Yes. Each switch costs time and heightens slips, typos or wrong choices. Fewer switches mean fewer errors.
Short rests let the mind recover. After a break you can refocus with full strength and keep output high.
List tasks, rank by need, then finish them one by one. A simple queue keeps focus tight and avoids traps.

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