Is Multitasking Good?
Pros, Cons & Better Alternatives
Is multitasking good? Only in narrow, low-cognitive-demand situations; for most knowledge work, it actually reduces focus, increases errors, and slows completion time because the brain is really task-switching rather than truly doing two complex things at once. The smartest way to use multitasking is to limit it to simple, automatic activities and replace the rest with batching, single-tasking, and structured workflow design.
I’m Jennifer Brazer, and after more than two decades building Complete Controller into a cloud-based bookkeeping and accounting services firm serving thousands of small businesses, I can tell you this: the founders who feel the busiest are rarely the ones moving the needle. Here’s a stat that stopped me cold the first time I read it—researchers Gloria Mark and her team found that when workers are interrupted mid-task, it takes an average of 25 minutes to fully return to the original task. That’s why a day full of pings feels productive but produces so little. In this article, I’ll walk you through what the science actually says about multitasking, when it helps, when it hurts, and the practical workflow shifts that protect your focus, your accuracy, and your bottom line.
What is multitasking, and is it good for productivity?
- Quick answer: Multitasking is good only for low-stakes, automatic pairings; for complex work, single-tasking and batching win every time.
- Cognitive cost: Every switch drains attentional resources and working memory.
- Best use: Pairing a routine physical task with light audio input.
- Biggest risk: Errors, slower completion, and mental fatigue on important work.
- Practical takeaway: If a task needs accuracy or judgment, do it alone.
Is Multitasking Good for Productivity? What the Research Actually Says
The honest answer from cognitive psychology is that most of what we call multitasking is really rapid task switching, and the brain pays a tax every single time. The American Psychological Association reports that switch costs can eat up a meaningful share of productive time across a workday.
Multitasking benefits (the short list)
- Bundling low-effort actions into one time block can feel efficient.
- Light task pairing may support creativity when the secondary activity is automatic.
- Operations-heavy roles can fill dead time without much performance loss.
Is multitasking effective for complex work?
Research consistently says no. People finish less, make more mistakes, and take longer when they keep jumping between unrelated tasks. As a productivity guide from Indeed notes, the perception of speed rarely matches the reality of output quality.
Cognitive load, attention span, and mental performance
- Cognitive load climbs when the brain juggles multiple goals at once.
- Attention span fragments, making deep work nearly impossible.
- Mental performance drops because energy goes to reorienting, not executing.
Why Does Task Switching Hurt Focus So Much?
Task switching forces your brain to disengage from one goal and activate another, leaving behind what researchers call “attention residue.” Even brief interruptions cost you clarity when you return.
Task switching and task-switching cost
The 25-minute recovery window documented by Mark, Gonzalez, and Harris in their landmark CHI 2005 study on fragmented work puts a real number on what most of us feel. Multiply that by every Slack ping, email alert, and “got a sec?” interruption, and you can see why a packed day yields a thin output.
How does task switching affect brain function?
Stanford researchers Ophir, Nass, and Wagner found in their PNAS study on media multitaskers that heavy media multitaskers were actually worse at filtering distractions than light multitaskers. The takeaway isn’t that media is bad—it’s that frequent juggling trains the brain to be less selective about what it pays attention to.
Is multitasking bad for concentration?
Yes, especially in writing, analysis, bookkeeping, planning, and client communication—any area where one small error can cascade into a much larger problem.
Work smarter, not more at once. See how Complete Controller helps business owners streamline workflows and reduce distractions.
When Multitasking Can Help and When It Backfires
Not all multitasking is created equal. The trick is knowing which pairings are safe and which are silently sabotaging your results.
Good multitasking examples
- Walking while listening to a podcast
- Folding laundry while watching TV
- A routine physical task paired with simple audio
Bad multitasking examples
- Reading email during a Zoom meeting
- Writing a report while answering Slack messages
- Switching every few minutes between unrelated high-priority tasks
A high-stakes case study: hospital medication rounds
In a real-world example reported in MEDSURG Nursing, one hospital introduced “Do Not Disturb” vests for nurses during medication rounds. After the change, interruption rates dropped and medication administration errors decreased. The lesson translates directly to business: when accuracy matters, removing interruptions isn’t a luxury—it’s a system requirement.
Multitasking myths worth retiring
- Myth: Multitasking makes you more productive. (It doesn’t, for complex work.)
- Myth: Good multitaskers just need more practice. (The limitation is architectural.)
- Myth: Being busy equals being effective. (High activity often hides low quality.)
Better Alternatives to Multitasking for Real Productivity
If multitasking isn’t the answer for complex work, what is? The good news is that the alternatives are simple, low-cost, and immediately actionable.
Workflow management
- Batch similar tasks—emails, calls, approvals—into dedicated windows.
- Protect uninterrupted blocks for work that requires judgment.
- Define a clear endpoint for every task so you know when you’re done.
Focus and single-tasking
Single-tasking improves clarity, quality, and completion speed for most knowledge work. Start with one concrete next action, finish it, then move on. A simple 20-minute focus block with a timer can transform your morning.
Time management and strategic combining
- Schedule low-focus tasks into fixed windows instead of scattering them.
- Turn off notifications during focused work.
- Combine only tasks that don’t compete for the same attentional resources—walking and audio, yes; writing and email, no.
For business owners ready to redesign their day, our guide to small business workflow optimization shows how to apply these principles across finance, operations, and client work.
How the Complete Controller Approach Helps You Work Smarter
Over 20 years of supporting small business owners across nearly every industry, I’ve watched the same pattern repeat: the businesses that build focus into their systems outperform the ones that rely on individual hustle.
What this looks like in your business
- Set fixed windows for email, review, and client communication.
- Separate transaction review, reconciliation, and reporting into dedicated blocks.
- Build workflows that lower cognitive load instead of expecting staff to “multitask better.”
A founder’s first-hand lesson
The best systems make focus the default. When teams stop rewarding constant switching and start rewarding completed work, quality goes up and stress goes down. That shift matters most in bookkeeping, where accuracy beats speed every time. If you want a partner who already builds those systems for small businesses, our team at Complete Controller’s outsourced accounting services does exactly that.
What Should You Do Instead of Multitasking Today?
- Choose one high-priority task and finish the next concrete step before moving on.
- Batch email, admin, and messaging into dedicated windows.
- Limit alerts and visual distractions during focused work.
- Reserve multitasking only for low-focus pairings that don’t threaten accuracy.
- Use single-tasking for any work involving numbers, decisions, or client trust.
Final Thoughts
Is multitasking good? For most people doing most meaningful work, no—it lowers focus, raises cognitive load, and creates a task-switching penalty that quietly drains your productivity. The reliable path to better output isn’t doing more at once; it’s designing better workflows, protecting focus, and reserving multitasking only for moments where the stakes are low and the tasks are truly automatic.
If you’re ready for cleaner systems, fewer errors, and stronger time management in your business, start by batching work, silencing interruptions, and single-tasking what matters most. To see how a smarter workflow can support your growth, visit Complete Controller and connect with our team today.
Frequently Asked Questions About Is Multitasking Good
Is multitasking good for productivity?
Usually not for complex work. Research shows task-switching costs reduce overall output, increase errors, and slow completion time compared to single-tasking the same workload.
Does multitasking reduce focus?
Yes. Studies consistently show multitasking fragments attention, leaves “attention residue” between tasks, and makes sustained focus harder to maintain.
Is multitasking bad for concentration?
For concentration-heavy tasks like writing, analysis, or bookkeeping—yes. It disrupts working memory and executive function, which are exactly what those tasks require.
What is better than multitasking?
Single-tasking, batching similar tasks, structured time blocks, and workflow management. These approaches preserve attention and deliver higher-quality results.
How does task switching affect brain performance?
It raises cognitive load, drains attentional resources, and slows performance through repeated reorientation. One study found it takes an average of 25 minutes to fully return to an interrupted task.
Sources
- American Psychological Association. (2024). “Multitasking: Switching Costs.” https://www.apa.org/research/action/multitask
- Burkeman, Oliver. (2024). “Multitasking Is Impossible — Here’s What to Do Instead.” Nice News. https://www.nicenews.com
- Clevr Blends. (2024). “The Pros and Cons of Multitasking.” https://www.clevrblends.com
- Indeed Career Advice. (2024). “The Pros and Cons of Multitasking.” https://www.indeed.com/career-advice
- Mark, Gloria, Victor M. Gonzalez, and Justin Harris. (April 2005). “No Task Left Behind? Examining the Nature of Fragmented Work.” CHI 2005. https://www.ics.uci.edu/~gmark/chi2005.pdf
- Neurogum. (2024). “Multitasking vs. Single-Tasking: Which Is Better for Productivity?” https://neurogum.com
- Ophir, Eyal, Clifford Nass, and Anthony D. Wagner. (August 24, 2009). “Cognitive Control in Media Multitaskers.” PNAS. https://www.pnas.org/doi/10.1073/pnas.0903620106
- Pape, D. P. (September–October 2003). “Applying Airline Safety Practices to Medication Administration.” MEDSURG Nursing. https://pubmed.ncbi.nlm.nih.gov/14650448/
- PMC, National Library of Medicine. (2020). “Multicosts of Multitasking.” https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7075528/
- Positively Productive. (2024). “A Surprisingly Effective Alternative to Multi-tasking.” https://www.positivelyproductive.com
- Brown Health. (2024). “Multitasking and How It Affects Your Brain Health.” https://www.brown.edu/health
- Headspace. (2024). “Why Our Brains Tell Us We’re Good Multitaskers When We’re Not.” https://www.headspace.com
About Complete Controller® – America’s Bookkeeping Experts Complete Controller is the Nation’s Leader in virtual bookkeeping, providing service to businesses and households alike. Utilizing Complete Controller’s technology, clients gain access to a cloud platform where their QuickBooks™️ file, critical financial documents, and back-office tools are hosted in an efficient SSO environment. Complete Controller’s team of certified US-based accounting professionals provide bookkeeping, record storage, performance reporting, and controller services including training, cash-flow management, budgeting and forecasting, process and controls advisement, and bill-pay. With flat-rate service plans, Complete Controller is the most cost-effective expert accounting solution for business, family-office, trusts, and households of any size or complexity.
Brittany McMillen
Brittany McMillen