Interpersonal Deception Theory (David Buller and Judee Burgoon) COM 452 University of Kentucky Summer, 2010 In a nutshell… Communication senders manipulate messages so as to be untruthful, which might cause them apprehension concerning their false communication being detected. Simultaneously, receivers try to unveil or detect the validity of that information, causing suspicion about whether or not the sender is being deceitful. Strategies of Deception 1) 2) 3) Falsification – creating a fiction Concealment – hiding the truth Equivocation – dodging the issue Aspects of Deceptive Messages Central deceptive message (usually verbal) Ancillary message (includes verbal and nonverbal aspects) that usually reveal truthfulness Inadvertent behaviors (mostly nonverbal) that point out the sender’s deceit through “leakage” IDT as a Theory of Thoughtful Interaction Interpersonal communication is interactive, so we need to study both sides of that interaction, including each party’s adjustments 18 axioms Strategic deception as thoughtful; cognitive overload can cause leakage Manipulating Information Deceiver must – Accomplish goal – Establish/maintain relationship with respondent – Save face/sustain image Message characteristics of strategic intent – – – – Uncertainty and vagueness Nonimmediacy, reticence, and withdrawal Disassociation Image-and relationship-protecting Leakage Unconscious behaviors can signal dishonesty Zuckerman’s four-factor model explains leakage occurs – Intense effort yields performances that are too slick – Lying causes psychological arousal – Guilt and anxiety emerge – Cognitive behaviors tax the brain, leading to unintentional nonverbal responses What about the respondent? Truth bias Suspicion is a mid-range mindset, between truth and falsity Verbal and nonverbal tactics make listeners wary Use indirect means to get more information when we doubt speakers Deceiver adjustment Deceivers notice suspicion better than receivers notice deception (usually) Deceivers usually model the mood and manner of their targets “Othello error” – occurs when truthtellers accused of deception respond in a manner that appears devious Critique: Does it have to be so complicated? Multiple explanations for what happens during deceptive communication Other theories are more concise Lacking in explanatory power? Strength comes from its practical advice No mention of the morality of deception