Othello Error
Updated 2026-08-02
INTRODUCTION
English translation pending.
CORE DEFINITION
Named by Paul Ekman after Shakespeare's Othello, who reads Desdemona's distress as proof of guilt. The error occurs when an observer correctly detects emotional arousal but misattributes its cause, treating fear produced by being suspected as evidence of deception. Innocent people under suspicion often show exactly the signs interrogators associate with lying, which makes the misreading systematic rather than accidental.
SCAFFOLDING EFFECT
Reduce cognitive load
- Separate signal from cause: note the emotion and then ask what situation produced it rather than assuming guilt - Set a baseline: compare behavior against how the person acts in ordinary circumstances - Require evidence: treat arousal as a prompt for investigation rather than as proof
Anchor fast decisions
Being suspected is itself stressful, so innocent people under interrogation display the same arousal as guilty ones. Because the observer already expects deception, that arousal is read as confirmation, and the interpretation is not checked against alternative causes. The result is a self-confirming loop in which the suspicion generates the very signs taken to justify it.
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/Othello_errorverified
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