Othello error Othello error Othello error occurs when a suspicious observer discounts cues of truthfulness. Essentially the Othello error occurs, Paul Ekman states, "when the lie catcher fails to consider that a truthful person who is under stress may appear to be lying" their non-verbal signals expressing their worry at the possibility of being disbelieved. A lie-detector or polygraph may be deceived in the same way, by misinterpreting nervous signals from a truthful person. The error is named after William Shakespeare's tragic play "Othello"; the dynamics between the two main characters, Othello and Desdemona, are a particularly well-known example of the error
Othello his actions and leaves to tell the others what has happened. "Othello" is an adaptation of the Italian writer Cinthio's tale "Un Capitano Moro" ("A Moorish Captain") from his "Gli Hecatommithi" (1565), a collection of one hundred tales in the style of Giovanni Boccaccio's "Decameron." No English translation of Cinthio was available in Shakespeare's lifetime, and verbal echoes in "Othello" are closer to the Italian original than to Gabriel Chappuy's 1584 French translation. Cinthio's tale may have been based on an actual incident occurring in Venice about 1508. It also resembles an incident described in the earlier tale of "The