
Attention Span
by Gloria Mark
A researcher who has measured attention on screens for two decades reports that average focus on one screen has dropped to under a minute, and explains the roles of interruption, self-interruption, rhythm and agency. It is scientific and non-judgmental, and it argues for working with your attention rhythms rather than against them.
Read it if…
you want the research on attention from someone who gathered it.
Skip it if…
you want a quick fix; this is understanding first, tactics second.
Three things you will actually use
- Work with your rhythm; peak focus is not all day.
- Reduce self-interruption; most switching is internal.
- Protect agency over your attention; design the day.
Do this first
Log your self-interruptions for one morning and notice when they cluster.
Our verdict
Measured and authoritative; the research behind the problem.
Compare with other Focus books

The Shallows
Nicholas Carr · Focus
Thoughtful and prescient; the argument behind the attention books.
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Make It Stick
Peter C. Brown, Henry L. Roediger III and Mark A. McDaniel · Focus
The authoritative popular book on learning; essential for students.
CLICK TO SEEBrowse all Focus book reviews or get the free Reality Code Cheat Sheet.
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