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Lying By CommissionA lie by commission is an
entirely false statement. For example, a child says, "I didn't break the car window," even though he did. It can
also involve transferring blame to others; "Andy must have broken it."
It may also include
improperly taking credit, as when a man says, "Do you like my idea?" about an idea that wasn't his.
By its nature, lying of this kind is harder to detect, because the speaker is obviously willing to lie outright. He may even be good at telling lies, depending on how much practice he has had.
There are many "indicators" to watch for, though, and other ways to tell when someone is lying, including dozens of traps that can catch lying of this sort.
Some of the classic indicators of lying have to do with the eyes. "Shifty eyes, or the speaker looking away from you are thought to mean he is lying. Some will tell you these are myths that have been debunked by science.
Neither moving the eyes nor avoiding eye contact indicates that what the person is saying is more likely to be a lie, the research shows. But the research is flawed. It relies on laboratory settings in which people are instructed to lie, and looks for universal indicators, rather than those specific to the individual.
Aldert Vrij of the University of Portsmouth in England, sought to correct this deficiency in the research by looking at real-life police interrogation videos. His idea on how to tell when someone is lying was to concentrate on cases where the true facts were later determined. He found that there were fairly reliable clues to whether a person is lying, but that these are individual, not universal.
For example, one woman
might consistently avert her gaze when lying, while
another might have greater eye-contact when lying.
Most research wasn't testing for these individual factors, so the results seem to indicate that lie-detecting wasn't viable. But we CAN take into account individual habits and patterns of behavior.
Use what you know or can determine about the individual. Does he normally avoid eye contact? Have you seen him do this before when he was lying? Of course, avoiding eye contact or moving one's eyes could be a general sign of guilt, so be careful before assuming that it means a dishonest response to a particular question.
The person may just feel guilty about something related. In other words, to tell if someone is lying, start by learning a little about the person.
http://www.selfgrowth.com/articles/How_ ... Lying.html
It's all about "how much you made when you were right" & "how little you lost when you were wrong"