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Stress Changes How People Make Decisions

By Associate News Editor
Reviewed by John M. Grohol, Psy.D. on February 29, 2012

Stress Changes How People Make DecisionsFeeling stressed changes how people weigh risk and reward, according to new research.

A new article published in Current Directions in Psychological Science reveals that people who are under stress pay more attention to the upside of a possible outcome.

It’s a bit surprising that stress makes people focus on the way things could go right, said Mara Mather, Ph.D., of the University of Southern California, who cowrote the paper with doctoral student Nichole Lighthall.

“This is not what people would think right off the bat,” she says. “Stress is usually associated with negative experiences, so you’d think, maybe I’m going to be more focused on the negative outcomes.”

But researchers found that when people are put under stress — by being told to hold their hand in ice water for a few minutes, for example, or give a speech — they start paying more attention to positive information and discounting negative information.

“Stress seems to help people learn from positive feedback and impairs their learning from negative feedback,” Mather said.

This means when people under stress are making a difficult decision, they may pay more attention to the upsides of the alternatives they’re considering and less to the downsides. Someone who’s deciding whether to take a new job and is feeling stressed by the decision might weigh the increase in salary more heavily than the worse commute, the researchers explain.

The increased focus on the positive also helps explain why stress plays a role in addictions, and people under stress have a harder time controlling their urges. “The compulsion to get that reward comes stronger and they’re less able to resist it,” Mather said.

Stress also increases the differences in how men and women think about risk, she adds. When men are under stress, they become even more willing to take risks; when women are stressed, they get more conservative about risk. Mather links this to other research that finds men are inclined toward fight-or-flight responses, while women try to bond more and improve their relationships.

“We make all sorts of decisions under stress,” Mather said, noting that making a big decision can be its own source of stress. “It seems likely that how much stress you’re experiencing will affect the way you’re making the decision.”

Source: Association for Psychological Science

 

APA Reference
Wood, J. (2012). Stress Changes How People Make Decisions. Psych Central. Retrieved on December 20, 2014, from http://psychcentral.com/news/2012/02/29/stress-changes-how-people-make-decisions/35380.html