SDCA
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
S (Standardize): Standardize; D (Do): Execute; C (Check): Check; A (Action): Correct. Difference from PDCA: SDCA maintains the status quo, while PDCA improves and elevates.
SCAFFOLDING EFFECT
Reduce cognitive load
Stabilize before improving. Ensure the current process runs stably before pursuing improvement, avoiding chaos.
Anchor fast decisions
Under existing standards, execute-check-correct, with the goal of "maintaining stability" rather than improvement; only after controlling process variation and achieving statistical stability is it appropriate to switch to PDCA for improvement. The logic is "stabilize first, then improve," avoiding blind changes amid noise.
MINIMUM ACTION
In progress 0/4Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/SDCAverified
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