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Stress Taints Decision Logic

Life is full of decisions. Typically, we reflect on our past history to weigh the pros and cons of a choice, and then decide on the most logical option.

A new study suggests this approach may need revision if we are under cognitive stress — the stress can serve as a distracting force and cause us to make poor decisions.

In the investigation, psychologists Jane Raymond and Jennifer L. O’Brien of Bangor University in the United Kingdom wanted to investigate how cognitive stress affects rational decision making.

As such, they devised an experiment where participants played a simple gambling game in which they earned money by deciding between stimuli, in this case, two pictures of different faces.

Once their selection was made, it was immediately clear if they had won, lost, or broken even.

Each face was always associated with the same outcome throughout this task. In the next stage of the experiment, the volunteers were shown each face individually and had to indicate whether they had seen those faces before.

Sometimes volunteers were distracted during this task while other times they were not.

The results, reported in the current issue of Psychological Science, a journal of the Association for Psychological Science, reveal that distractions significantly impact decision making.

When volunteers were not distracted, they tended to excel at recognizing faces that had been highly predictive of either winning or losing outcomes. However, when they were distracted, they only recognized faces that had been associated with winning.

The authors note that when we are stressed and need to make a decision, we are “more likely to bear in mind things that have been rewarding and to overlook information predicting negative outcomes.”

In other words, these findings indicate that irrational biases, which favor previous rewards, may guide our behavior during times of stress.

Source: Association for Psychological Science

Stress Taints Decision Logic

Rick Nauert PhD

Rick Nauert, PhDDr. Rick Nauert has over 25 years experience in clinical, administrative and academic healthcare. He is currently an associate professor for Rocky Mountain University of Health Professionals doctoral program in health promotion and wellness. Dr. Nauert began his career as a clinical physical therapist and served as a regional manager for a publicly traded multidisciplinary rehabilitation agency for 12 years. He has masters degrees in health-fitness management and healthcare administration and a doctoral degree from The University of Texas at Austin focused on health care informatics, health administration, health education and health policy. His research efforts included the area of telehealth with a specialty in disease management.

APA Reference
Nauert PhD, R. (2015). Stress Taints Decision Logic. Psych Central. Retrieved on August 14, 2018, from https://psychcentral.com/news/2009/09/16/stress-taints-decision-logic/8393.html

 

Scientifically Reviewed
Last updated: 6 Oct 2015
Last reviewed: By John M. Grohol, Psy.D. on 6 Oct 2015
Published on PsychCentral.com. All rights reserved.