Win-Stay, Lose-Shift
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
A heuristic strategy simpler than "tit-for-tat": if the previous action brought a positive payoff (win), continue the same action; if it brought a negative payoff (loss), switch actions.
SCAFFOLDING EFFECT
Reduce cognitive load
The most basic reinforcement learning. When facing a completely unfamiliar environment or complex rules, do not overanalyze; try and error first. This is a minimal feedback-based survival algorithm that is often more robust than complex predictive models.
Anchor fast decisions
"Win-stay, lose-shift" is a talent/role rotation rule: in competition, winners stay, losers leave or switch positions, to continuously select the fittest and maintain organizational vitality. It resembles a hybrid of "winner-take-all" and "last-place elimination" intuition; as a fixed term, its origin is to be verified.
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/Win%E2%80%93stay%2C_lose%E2%80%93switchverified
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