Wharton Alumni Magazine
Winter 2007
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A Bright Future for Energy Ventures

The Truth About Deception

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Promises and Lies

How many times have we heard about an executive behaving in an untrustworthy manner or even caught in an outright lie? Can that individual ever regain trust? According to Schweitzer in a new paper, "Promises and Lies: Restoring

Violated Trust," coauthored with his former PhD advisor Professor John Hershey in the Operations and Information Management Department, and Professor Eric Bradlow in the Marketing Department, the answer is yes.

"A lot of people say that talk is cheap, but we've found that people really do care about what you say after a rupture of trust," he notes.

The authors reached their findings through an experimental study in which people played a game where they trusted another individual, then the trust was harmed, and attempts were made to recover that trust. Schweitzer explains that people were given $6 and then given the option of either keeping the money or passing it to an anonymous partner, where it would triple to $18 and then the partner could either split the larger amount of money with them—or keep all of it themselves. This game would be played with the same partner at least seven times in a row.

"In the first round, would you pass the $6 to your partner? You would if you trusted that he would return money to you," says Schweitzer, noting that in the first round 90% of people passed the $6, as there was no reason not to trust the partner at that point.

However, after the first round, things became more complicated. After people handed over the first $6, their partners (who were really Schweitzer's research assistants) kept all of the money, giving nothing back. They repeated this untrustworthy behavior in the second round. After this, trust had been severely damaged and most people of course kept the $6 rather than risk losing it again.

So the trust recovery process kicked in on the third round. "After that, I'd have the partner do one of four things: 1) send an apology note; 2) send a promise to return the money; 3) send a note with both an apology and a promise; or 4) send no message. Then, the partner would start behaving in a trustworthy manner. Also, the test subjects would get to see what the partner would have done in each round regardless of how they chose to play. So if the test subject kept the $6, he or she would still find out whether the partner would have split the money or kept it all."

He continues, "We had a measure of how much the subjects were willing to trust over time. This enabled us to compare the trust recovery rates across different conditions. One key part of this research was our focus on deception. In some conditions, we had our research participants engage in deception as well as behave in an untrustworthy way."

The findings were surprising: trust that is harmed by untrustworthy behavior can be restored to initial levels. However, trust that is harmed by untrustworthy behavior and deception never fully recovers, as the deception causes enduring harm to the trust.

He maintains that this is an important lesson for business leaders. "If a CEO behaves in a way that is untrustworthy or even just perceived as untrustworthy then it's important to know that communication can help to restore trust. Maintaining credibility in what you say is the key. For example, a CEO can make a promise to change a course of action and this by itself can be very effective in speeding trust recovery—as long as he hasn't been caught lying in the past. That is, words can repair trust very effectively, but people have to be able to believe the words."

Lie Detectors

While much of his research on deception and trust is in an experimental setting, Schweitzer currently is working in the field studying how insurance companies detect fraud. He has conducted this work with another Wharton PhD graduate, Danielle Warren, who is currently on the faculty at Rutgers. The issue he's focusing on is the importance of interviews by insurance investigators in detecting fraud.

"Most insurance companies have a lot of people who handle claims, but surprisingly few people who actually investigate potentially fraudulent claims. I'm looking at whether there is a way to focus the attention of investigators," he explains.

Schweitzer notes that he is finding that in-person interviews are a very important tool in detecting fraud even as investigators increasingly rely upon database searches, physical evidence, and sophisticated investigative techniques like accident reconstruction and surveillance. "Unlike a lab environment, there is a serious self-selection issue in the field where people who decide to tell lies are making a personal choice to try to get more

money by using deception at the risk of getting caught. In this setting, when the stakes are high, people might convey deception by being particularly excited. Or, a claimant might try to avoid an interview altogether. People who avoid interviews are actually communicating a lot of information."

The message for insurance companies, according to Schweitzer, is to keep investigators on the ground and make sure they have strong interpersonal skills. "They might be more expensive, but they are very valuable to the organization from a detection and deterrent standpoint."

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