Why do we seek certainty in risky situations?

Zero Risk Bias

, explained.
Bias

What is the Zero Risk Bias?

Zero risk bias relates to our preference for absolute certainty. We tend to opt for situations where we can completely eliminate risk, seeking solace in the figure of 0%, over alternatives that may actually offer greater risk reduction.

Where it occurs

Have you ever bought an insurance policy for something that you felt was close to impossible? We know that these hypotheticals are highly unlikely, such as needing surgery in a foreign country, but the thought of such an event can be deeply unsettling. Although the policy might not be worth the premium we pay, part of what we’re buying is the peace of mind in knowing we’ve eliminated the potential risk.

zero risk bias doodle of man in medieval armor

People are not calculators, and most do not consciously deliberate the exact probabilities of events. Instead, they often gauge a prospect by how they feel about it. Even a 1% chance of disaster can loom over our conscience, and eschewing such a minute probability and securing that 0% can be a favorable outcome. We tend to prefer certainty, closure, and security, all manifest in zero risk bias. This bias can be found at work across numerous contexts, including making decisions about financial products, assessing the real estate market, and even deciding what to do with hazardous waste. 

However, everyone is unique, and some people thrive on taking risks or don’t see the point in investing time or money to eliminate a risk they don’t believe is likely to occur. Personal factors like these make a significant impact on how much an individual will be affected by this bias.

Related Biases

Sources

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  9. Pomares, T. D. et al. (2019). Association of cognitive biases with human papillomavirus vaccine hesitancy: a cross-sectional study. Human Vaccines and Immunotherapeutics, 16(5), 1018-1023. 
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About the Authors

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Dan Pilat

Dan is a Co-Founder and Managing Director at The Decision Lab. He is a bestselling author of Intention - a book he wrote with Wiley on the mindful application of behavioral science in organizations. Dan has a background in organizational decision making, with a BComm in Decision & Information Systems from McGill University. He has worked on enterprise-level behavioral architecture at TD Securities and BMO Capital Markets, where he advised management on the implementation of systems processing billions of dollars per week. Driven by an appetite for the latest in technology, Dan created a course on business intelligence and lectured at McGill University, and has applied behavioral science to topics such as augmented and virtual reality.

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Dr. Sekoul Krastev

Dr. Sekoul Krastev is a decision scientist and Co-Founder of The Decision Lab, one of the world's leading behavioral science consultancies. His team works with large organizations—Fortune 500 companies, governments, foundations and supernationals—to apply behavioral science and decision theory for social good. He holds a PhD in neuroscience from McGill University and is currently a visiting scholar at NYU. His work has been featured in academic journals as well as in The New York Times, Forbes, and Bloomberg. He is also the author of Intention (Wiley, 2024), a bestselling book on the science of human agency. Before founding The Decision Lab, he worked at the Boston Consulting Group and Google.

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