Bianca (Othello) request. Midway through 4.1., and prior to Bianca's entrance, Othello has been secretly observing a bawdy discussion between Iago and Cassio about the latter's sexual exploits with a young woman. Thanks to Iago's impeccable planning (and some bad luck), neither speaker mentions the name of the woman in question; it is in fact Bianca, but Othello tragically assumes it to be his wife, Desdemona. Bianca suddenly enters, and her suspicions of Cassio are even greater than before. She is convinced that the handkerchief belongs to another woman, and throws it contemptuously at Cassio's feet. In Othello's eyes, her apparent jealousy
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