Want to change a bad first impression? Here's why it's so tough to do

'It is apparently easier to become a sinner than a saint'

If you've made a bad first impression, good luck redeeming yourself—new research shows that it's tough to change people's minds.

University of Chicago psychological scientists Nadav Klein and Ed O'Brien conducted a series of experiments to determine how quickly people will change their impressions.

In one online study, 201 participants followed the actions of an office worker known as "Barbara." While Barbara's behavior was neutral at first, she would occasionally commit both positive and negative actions. Sometimes she held doors for people and complimented them, while at other times she would cut in line and gossip. Study participants answered how long Barbara's behavior would have to continue for their perceptions of her to change.

Researchers found that it was harder for Barbara to achieve a positive image than a negative one.

She had to exhibit good behavior for more consecutive weeks to be regarded positively than the number of weeks she behaved poorly to be perceived negatively among participants.

Another online study involving 200 female participants found that people were quicker to judge Barbara's bad behavior and took a longer time to believe that she had improved. Researchers identified similar patterns for scenarios in which characters displayed either good or bad actions.

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"People apparently need to commit just a few bad actions to appear substantially changed for the worse, but need to commit many good actions to appear substantially changed for the better," the authors write. They point to an "asymmetrical moral tipping point," in which "it is apparently easier to become a sinner than a saint, despite exhibiting equivalent evidence for change."

People have difficulty changing their minds once they've formed a negative opinion about someone and will hold steadfast to their original view. According to former FBI agent Jack Schafer, people tend to make excuses that affirm their initial perception. Or they will avoid the person they dismissed so as not to witness any behavior that is antithetical to their views.

But if you messed up the first impression, don't give up hope.

"It is difficult to change a bad first impression, but not impossible," Schafer says. He recommends "act[ing] in a consistent way to all people that contradicts the bad first impressions, whatever they may have been."

And don't go overboard trying to reverse people's opinions, says Heather Huhman, founder and president of Come Recommended. People will come around on their own time.

"Let relationships evolve naturally, and don't do things just to make people like you, like buying gifts and saying yes to everything," Huhman  says. "Be genuine, be yourself, and be patient as the relationship grows" (Vanderkam, Fast Company, 8/9).

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