MENTAL MODEL · M0651

WYSIATI - What You See Is All There Is

BehaviorHigh supportPsychology

Included

Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

Proposed by Daniel Kahneman. It refers to the brain's tendency to construct a coherent story based only on the information currently available ("what you see"), completely ignoring the missing information ("what you don't see"). We find it hard to be aware of "what we don't know."

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Overcome overconfidence. It reminds us that when making decisions, we should not be satisfied with seemingly coherent evidence at hand, but actively ask: "What evidence is hidden? What silent voices haven't I heard?"

anchor

Anchor fast decisions

Kahneman (System 1) points out that the brain automatically constructs a coherent narrative based on currently available information, yet systematically ignores "missing information" because we simply cannot perceive the "unknown." A coherent story brings false confidence, making people believe their conclusions are correct even when evidence is incomplete. It is one of the cognitive roots of confirmation bias and overconfidence.

MINIMUM ACTION

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Practice this model in one real situation:

Before making important judgments, list two columns: "What I know" and "What I don't know / might be missing." Actively seek counter-evidence and silent information, rather than only collecting supportive data. Use the question "If I'm wrong, what evidence would disprove me?" to force yourself to fill in blind spots. Delay conclusions until key unknowns are exhausted.

Check to track your progress (stored locally)

Learning progress0%

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Source support: Explicit

link
en.wikipedia.orghttps://en.wikipedia.org/wiki/Thinking%2C_Fast_and_SlowZH · Explicit
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