Some Truths About Lies: III

It's often difficult to detect a lie, but detecting lies can be much easier. Although spotting a single instance of a misleading statement can be difficult, we can often detect deceptions that might otherwise escape our notice if they're part of a series of statements offered over a period of time. One form that facilitates this scenario is the interview.

The term interview connotes a friendly question-and-answer format that we might encounter in print media or broadcast media. But the term also applies to a nonaccusatory question-and-answer session during or after presentations at meetings, or in a one-on-one meeting with one's supervisor, or any of dozens of other situations at work. Interviews are distinguished from interrogations, which are clearly accusatory.

Here's Part III of our little catalog of indicators that suggest the handiwork of a deceiver, emphasizing techniques that apply during interviews. See "Some Truths About Lies: I," Point Lookout for August 4, 2004, for more.

Unpleasantness, defensiveness, or intimidation

Although many follow-up questions are motivated by innocent confusion or a search for clarity, some deceivers experience follow-up questions as challenges to the deceiver's claims. To prevent further follow-up questions, deceivers who fear that their deceptions aren't working sometimes express resentment or anger in response to follow-up questions. Rarely are these emotional displays real in the conventional sense. The deceivers are just using intimidation as a diversion to prevent further probing.

Deceivers who use intimidation, anger, sarcasm, or other means of deterring further questioning are at best failing to cooperate with the interviewer; at worst, they're concealing something important.

That can't be it; it's too small

Deceivers intent on discrediting evidence of errors, negligence, or wrongdoing sometimes assert that evidence is invalid because it's inconclusive on its own, even when it is valid as part of a complete pattern of evidence, or when it typifies incidents that have occurred numerous times. For example, consuming one gram of trans fat doesn't cause coronary artery disease. But consuming one gram per day for thirty years probably would.

Evidence dismissed by the deceiver prematurely as insufficient could indicate a desire to conceal a larger body of damning evidence. During the interview, take note of repeated use of this technique.

An answer for everything

When interviewers When interviewers probe for more
complete disclosure of deceivers'
positions, some deceivers have
exculpatory responses for
absolutely every questionprobe for more complete disclosure of deceivers' positions, some deceivers have exculpatory responses for absolutely every question. Such a 100% performance isn't typical outside the realm of deception, because most people have only incomplete knowledge of any given situation.

More important, though, deceivers know that they're deceiving. Some are a little frightened about it. They tend to compensate by presenting stories without holes. But since some highly sophisticated deceivers know that ironclad stories are the mark of the deceiver, they do include some (unimportant) holes now and then.

We'll continue next time with more techniques for detecting lies using the interview. First in this series  Next in this series  Top    Next Issue

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Coming April 24: Antipatterns for Time-Constrained Communication: 1

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