Emilia (Othello) drops the handkerchief in Cassio's chamber. (III.iii.321–322). Later Emilia even lies to Desdemona, saying she doesn't know where it is; it is clear she feels a "divided duty" in this matter between her friend and her husband. She is, however, entirely ignorant of Iago's plans until the very end of the play. Iago states on two separate occasions during the play that he suspects Emilia of infidelity with both Othello and Cassio, and this is sometimes suggested as a possible motive for his actions; however, there is little if any evidence within the play to suggest that his suspicions have
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