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Beating Bias: Debiasing Strategies for Everyday Decisions

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Dec 31, 2017

As we gain a fuller understanding of the heuristics and biases that influence our everyday decisions, so too are researchers looking for ways to combat their ill-effects. From this literature, two main strategies for combatting decision biases have emerged — detailed in the below analogy:

“Imagine a simple door that is normally held shut with a spring mechanism. If the spring is faulty (i.e., it has lost its ability to push the door shut), this door would remain open. Let this open door serve as a metaphor for a bias. There are two ways to correct this bias. One option is to simply repair the faulty spring hence directly address the cause of the bias. This would constitute a debiasing strategy. Alternatively, we can exert an opposite force of the faulty spring that keeps the door shut, and this would constitute a rebiasing strategy. Note that both strategies achieve the same end result (a shut door), but do so using very different mechanisms.” – Soman and Liu 2011 [1]

In essence, debiasing seeks to remove a bias altogether, while rebiasing seeks to swap one bias for another. [1,2]. This article focuses on lessons from the debiasing literature, and offers real world strategies for combatting bias in our daily lives.

References

Soman, Dilip, and Maggie W. Liu. “Debiasing or rebiasing? Moderating the illusion of delayed incentives.” Journal of Economic Psychology 32, no. 3 (2011), 307-316. doi:10.1016/j.joep.2010.12.005.

Larrick, Richard P. “Debiasing.” Blackwell Handbook of Judgment and Decision Making (n.d.), 316-338. doi:10.1002/9780470752937.ch16.

McRaney, David, and Tali Sharot. 2017. “Optimism Bias”. Podcast. You Are Not So Smart.

Soll, Jack B., Katherine L. Milkman, and John W. Payne. “A User’s Guide to Debiasing.” The Wiley Blackwell Handbook of Judgment and Decision Making, 2015, 924-951. doi:10.1002/9781118468333.ch33.

Mitchell, Deborah J., J. Edward Russo, and Nancy Pennington. “Back to the future: Temporal perspective in the explanation of events.” Journal of Behavioral Decision Making 2, no. 1 (1989), 25-38. doi:10.1002/bdm.3960020103.

Klein, Gary. “Performing a Project Premortem.” Harvard Business Review. Last modified 2007. https://hbr.org/2007/09/performing-a-project-premortem.

Kahneman, Daniel. Thinking, Fast and Slow. New York: Farrar, Straus and Giroux, 2011.

“UBS Investment Banking’s Andrea Orcel on Testing Against a Market Crash.” Business Insider. Last modified 2015. https://www.businessinsider.com/ubs-investment-banking-chief-andrea-orcel-runs-a-pre-mortem-to-test-against-a-huge-market-crash-2015-10.

Milkman, Katherine L., Todd Rogers, and Max H. Bazerman. “Harnessing Our Inner Angels and Demons: What We Have Learned About Want/Should Conflicts and How That Knowledge Can Help Us Reduce Short-Sighted Decision Making.” Perspectives on Psychological Science 3, no. 4 (2008), 324-338. doi:10.1111/j.1745-6924.2008.00083.x.

Milkman, Katherine, Julia Minson, and Kevin Volpp. “Holding the Hunger Games Hostage at the Gym: An Evaluation of Temptation Bundling.” PsycEXTRA Dataset, 2012. doi:10.1037/e513702014-057.

McKinney, Merritt. “Lie Back and Be Pampered … in the Dental Chair – Health – Special Reports – Taking the Bite Out | NBC News.” Msnbc.com. Accessed October 8, 2017. https://www.nbcnews.com/id/5327027/ns/health-special_reports/t/lie-back-be-pampered-dental-chair/#.Wd0rgBNSy1u.

Hammond, Keith. “Human judgment and social policy: irreducible uncertainty, inevitable error, unavoidable injustice.” Choice Reviews Online 34, no. 08 (1997), 34-4545-34-4545. doi:10.5860/choice.34-4545.

Allcott, Hunt. “Social norms and energy conservation.” Journal of Public Economics 95, no. 9-10 (2011), 1082-1095. doi:10.1016/j.jpubeco.2011.03.003.

Dropcountr – Dropcountr. Accessed October 10, 2017. https://dropcountr.com.

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