Kaizen

principle

Kaizen turns progress into a repeatable loop: make a small change, inspect the result, correct the next mistake, and repeat. The gains can [[compounding|compound]] because every improvement becomes the starting point for the next one.

At Toyota, becoming better does not begin with a grand reform. Employees are encouraged to find the mistake in today’s work, improve it, and then move to the next level.

Improvement as a feedback loop

Kaizen breaks change into small enough steps to be repeated continuously. Each cycle produces information: the worker acts, notices a mistake, makes a correction, and uses the improved process as the new baseline. Progress therefore comes less from one brilliant intervention than from keeping the correction loop alive. The same incremental movement that can lower standards through Normalization of Deviance can be directed upward: small changes repeatedly reset what counts as normal.

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Where it shows up

Toyota’s next mistake

Toyota’s version makes employees active observers of their own process. Fixing one error is not the finish line; it reveals the next constraint to work on.

Change below the drama threshold

The instruction to make small improvements continuously shifts attention away from rare transformations and toward changes modest enough to sustain.

Small is not automatically better

Kaizen needs an observable standard and an honest way to identify mistakes. Without that feedback, repeated small changes may merely preserve a weak process—or gradually normalize worse performance instead of improving it.

Fix one repeatable error

Choose a task you perform repeatedly. After the next attempt, name one specific mistake, change one part of the process before repeating it, and keep that correction as the baseline for the following cycle.

Episodes that teach this

(Don't) Be a Frog in Boiling Water | Future IQ · explained at 12:27 5,326 views
"Make small changes, small improvements continuously."
How to Become Expert in Anything? Deliberate Practice · explained at 5:16 4,421 views
Toyota's Kaizen encourages employees "to continuously look at what mistakes they're making, how to improve that and then move on to the next level."