The research up to now suggests strongly that lying is a human behavior and that most forms of deception have adaptive significance. Whether or not we like it, deception is a central characteristic of life.Identify, describe, and explain various manifestations of deceptive behavior in children and adults, including self-deception and the deception of others;. 4. More than 80 percent of lies go undetected. Deception. There are three primary types of liars requiring different ethical strategies to defeat their deceptions. Discovering deceit: Applying laboratory and field research in the search for truthful and deceptive behaviour. In Cooper, B. (Ed.) Applied issues in. Discovering deceit: Applying laboratory and field research in the search for truthful and deceptive behaviour. In Cooper, B. (Ed.) Applied issues in. 3. Minors are particularly vulnerable to deceptive police tactics.