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More is not more. Researchers at Saint Louis University…

“More is not more. Researchers at Saint Louis University have found that ten to eighteen minutes is the length of time past which you begin a game of diminishing returns on your listener’s attention. Take a guess how long President Obama’s 2013 inauguration speech was. That’s right: eighteen…” quote by Bill McGowan
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““More is not more. Researchers at Saint Louis University have found that ten to eighteen minutes is the length of time past which you begin a game of diminishing returns on your listener’s attention. Take a guess how long President Obama’s 2013 inauguration speech was. That’s right: eighteen minutes. Coincidence? I doubt it.””

Bill McGowan

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

Notes that attention drops after 18 minutes, matching the length of Obama’s 2013 inauguration speech, implying optimal speech length.

In simple terms: Attention wanes after about eighteen minutes.

Key Takeaway

Keep talks under eighteen minutes.

Themes

communication attention efficiency

Mood

informative analytical

Type

research advice

When to use this quote

  • presentations
  • lectures
  • podcasts

Key Concepts

cognitive psychology public speaking

Questions to Reflect On

  • How long should a speech be?
  • What keeps audiences engaged?
A Different Perspective

Complex topics may need longer time.

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