Learning Science
The Hidden Cost of Multitasking Learners
Studying with six tabs open feels efficient. Attention research suggests otherwise.
Dr. Alicia Simmons
Learning Scientist · Jul 8, 2026 · 6 min read
Video lessons invite a particular kind of half-attention. We pause to answer a message, glance at a notification, and return a minute later convinced we have lost nothing.
Switching is not free
Research on task switching repeatedly finds a residue: part of our attention stays on the previous task, and the new one gets less than a full share. The effect is small each time and large across a study session.
A simple protocol
- 01Study in blocks of twenty-five to forty minutes.
- 02Silence notifications and place your phone out of reach.
- 03Keep a parking-lot note for stray thoughts and tasks.
- 04Take a real break away from screens between blocks.
“Attention is the raw material of learning. Protect it like a budget.”
Most learners who try a single focused block a day report the same surprise: they finish earlier and remember more. The gain does not come from working harder, only from working on one thing at a time.
Put it into practice
Courses that build on this idea
Product Strategy for Builders
Define a winning direction, prioritise ruthlessly and build roadmaps your team believes in.
Motion Design for Interfaces
Add purposeful animation that guides attention, explains change and gives your product personality.
Keep reading
All articles
Learning Science · 7 min read · Sep 29, 2026
Why Spaced Practice Beats Cramming (and How to Start Tonight)
The brain keeps what it has to work to retrieve. Here is how to rebuild your study routine around that single idea.
Design · 6 min read · Sep 21, 2026
The Case for Boring Interfaces
The best products rarely feel clever. They feel obvious, and obvious takes a lot of work.
Careers · 8 min read · Sep 13, 2026
Your First Year as a Product Designer: A Realistic Map
What to expect in months one, six and twelve, and what to do when the work does not look like your portfolio.
