PechaKucha (20x20 Presentation)
Updated 2026-08-08
INTRODUCTION
English translation pending.
CORE DEFINITION
PechaKucha, devised by Astrid Klein and Mark Dytham in Tokyo, requires a presentation of exactly twenty slides, each displayed for twenty seconds and advanced automatically, for a total of six minutes and forty seconds. Because the timing cannot be paused or reversed, the constraint must be absorbed during preparation rather than managed during delivery. The format forces the speaker to cut material and to design for what the audience can absorb rather than for what the speaker wants to say.
SCAFFOLDING EFFECT
Reduce cognitive load
- Fix the container: decide the exact number of slides and seconds before preparing any content. - Cut to fit: remove material until it fits the container rather than extending the container. - Rehearse against the clock: time the delivery and cut whatever overruns.
Anchor fast decisions
Without a binding limit, presentation content expands to whatever time is available, and the extra material crowds out the message. A fixed automatic timing removes the option of negotiating with the limit during delivery, so the decision about what to cut must be made in preparation. The constraint shifts attention from what to say toward what the audience can retain.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/20verified
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