
Braided streams in Grewingk Glacier River, Kachemak Bay, Cook Inlet, Alaska, in June 2009. Rivers emanating from retreating glaciers carry large volumes of sediment, producing braided river patterns with multiple channels. Braided channels are variable and dynamic. The Alaska ShoreZone exhibition guide states: "Although the threshold between meandering (sinuous, single channel river pattern) and braiding is not clearly understood, three factors are probably necessary for braiding to occur: 1) an abundant bedload supply (portion of a river's sediment load supported by the channel bed), 2) erodible banks, and 3) high stream power (the potential energy for a given river channel length)."
Some classes of group interactions can produce similar results through multiple interacting paths. We can expect these phenomena when 1) there are multiple relevant psychological phenomena, 2) the relevant psychological phenomena can produce behaviors that can stimulate each other, and 3) the participants care deeply about the end result. As is often the case, the forces of Nature, by example and metaphor, provide insight into human behavior.
Photo courtesy U.S. National Oceanic and Atmospheric Administration. Photo credit: Alaska ShoreZone.
In last week's post, I noted the existence of a cognitive bias known as naïve realism, which is the human tendency to assume (usually incorrectly) that our perceptions of the world are accurate and objective. Naïve realism can contribute to our tendency to push ahead with projects even after we've noticed risks that present significant threats to success. I called these risks very bad news (VBN) risks.
Discussions about how to deal with VBN risks typically involve two sets of participants. Representing the "Business" are people from units such as Sales, Marketing, Human Resources, users, and executives. I call them, collectively, the Business. Representing the "technologists" are the people who will be doing the actual work of producing what the Business needs and wants. They include people from units such as product engineering, Information Technology (IT), and business technology. I call them, collectively, Engineering/IT.
And in that latest post, I described how the Business sometimes accepts VBN risks by rejecting the assertions of Engineering/IT as a result of naïve realism. The probability of occurrence of this phenomenon is elevated when the tactics available for addressing the VBN risk — avoidance, compensation, and mitigation — are so costly that they render the project unaffordable and a candidate for cancellation. So instead of abandoning the project because of its VBN risks, organizations tend to accept the risks more often than objectivity would allow.
Last week I closed with a question: What patterns of thought and decision-making enable the group to accept a VBN risk, despite the stark disagreement between the Business and Engineering/IT?
The case
In what follows I use the name Ben when referring to someone from the Business side of the decision, and the name Emma when referring to someone on the Engineering/IT side of the decision.
For concreteness, here's a description of a risk-acceptance situation:
Within a few months, the VBN risk materialized and after several attempts to recover from it, Marigold was abandoned.
How did this happen? What enabled the team to set aside their disagreements about the VBN risk and push forward on a doomed project? What follows is an exploration of the phenomena that move such groups as they try to reach a go-no-go decision about a project for which they've identified a VBN risk.
In the remainder of this post, I describe one pathway through cognitive biases, other psychological phenomena, and organizational politics that leads to inappropriate risk acceptance. There are probably dozens of such paths, involving different psychological phenomena and organizational dysfunctions. This is only an example.
The Dunning-Kruger effect leads to overconfidence of the Business team
Justin Kruger and David Dunning, working at Cornell in 1999, discovered a phenomenon now called the Dunning-Kruger effect. [Kruger & Dunning 1999] They performed experiments that yielded results consistent with the following four principles (paraphrasing):
- Incompetent individuals, compared to their more competent peers, dramatically overestimate their ability and performance.
- Incompetent individuals are less able than their more competent peers to recognize competence when they see it.
- Incompetent individuals are less able than their more competent peers to gain insight into the true level of their own performance.
- Incompetent individuals can gain insight about their shortcomings, but this comes (paradoxically) by gaining competence.
Because of the Dunning-Kruger effect, the members of the Business team tended to overestimate their own competence relative to handling the VBN risk. And they were also unable to appreciate the competence of Emma's team in assessing the severity of the risk. This gap in the levels of competence of the Business and Engineering/IT can create a gap in understanding that forms the basis of the risk acceptance that occurs in this case. And the level of competence of the Business team relative to managing the VBN risk can lead to errors as they assess their own competence. Those errors manifest themselves as overconfidence about how well they can deal with the VBN risk.
Motivated reasoning creates a gap in understanding
In the case Motivated reasoning can conspire with
the Dunning-Kruger Effect to cause
people to confidently adopt positions
that place the project at riskdescribed above, Ben and the other members of the Business team were very motivated to continue with the Marigold project. This motivation led to a biased assessment of the consequences of the VBN risk. [Brenner 2020.4] [Kunda 1990] [Molden & Higgins 2005] Because of motivated reasoning, the people representing the Business tended to underestimate the seriousness of the VBN risk. Emma and her team might also be engaged in motivated reasoning. But for the engineers, the bias led them to tend to overestimate the seriousness of the VBN risk.
Motivated reasoning thus tends to create a sense of confidence among Ben's team that could become overconfidence. This situation is inherently asymmetric. The Business tends to adopt a risk-aggressive position; Engineering/IT tends to adopt a risk-averse position. Moreover, the two parties are subject to very different consequences if Marigold is cancelled. Engineering/IT almost certainly has a backlog of other work to do, which they are happy to tackle. But the Business will have to find another business opportunity. And since Marigold was probably the most attractive opportunity within reach, the Business will likely experience more disappointment following Marigold's cancellation than will Engineering/IT.
The power differential favors the Business
In many organizations, relative to questions of organizational direction, the power distance between the Business and Engineering/IT is significant. In organizations in which the Business is more powerful than Engineering/IT, the Business has greater influence over the organizational agenda. In such organizations, although it is the task of Engineering/IT to determine how to achieve the objectives of the Business, Engineering/IT has somewhat less influence relative to the question of whether to achieve those objectives.
The power differential thus accounts for some of the inability of Engineering/IT to stop Marigold on account of the VBN risk. But raw power, in the end, is costly to the organization. Its exercise is demoralizing for the people who must bow to it. For that reason, most groups search for reasons to support and comply with the preferences of the powerful. Such reasons provide a basis for the powerful to believe that they have considered all views and have led the group to a mutual accommodation; and they provide a basis for the less powerful to feel heard and to maintain professional dignity.
Overconfidence is contagious
When Enron entered into bankruptcy on December 3, 2001, it was the seventh-largest company in the United States. Subsequent research has determined that the organization had a "culture of arrogance," and that Enron employees regarded themselves as working in an elite organization, and smarter than anyone else. These beliefs account in part for Enron's pattern of negotiating deals that others would have regarded as risky to the point of being foolhardy.
Joey T. Cheng and colleagues have conducted experiments that suggest that in social groups, overconfidence can be transmitted from one person to the next, eventually taking root in the culture of the group. [Cheng, et al. 2020] [Cheng, et al. 2021] The phenomenon of overconfidence contagion could explain why the people representing the Business so uniformly regard a VBN risk as acceptable, saying, for example, "We'll cross that bridge if we come to it." While that uniformity of overconfidence can be remarkable, it can also arise from other factors, such as similarity of experience, education, or interests.
More intriguing is the possibility that overconfidence can be transmitted from the members of the Business team to members of the Engineering/IT team. During negotiations and working meetings, confronted with uniformly confident statements by Business team members, Engineering/IT team members "adjust" their views of the seriousness of the VBN risk. The risk of overconfidence contagion is especially elevated when the issue at hand is a VBN risk, because the significance of the issue is so strongly dependent on judgment and experience. Probabilities and consequences aren't physical things. Although we represent them as numbers, they aren't measurements. To assess them, we must rely on estimates and judgments. They are vulnerable to the effects of overconfidence contagion.
Last words
Let me review the path we've just taken.
- The Dunning-Kruger effect leads to overconfidence of Business teams with respect to their ability to tolerate VBN risks.
- Motivated reasoning creates a gap between the Business and Engineering/IT relative to their understanding of the nature and consequences of the VBN risk.
- The power differential between the Business and Engineering/It favors the Business, as they seek to have the organization adopt their approach to the VBN risk.
- The overconfidence of the Business team is contagious, which spreads through the Business team and unifies them. It also affects Engineering/IT and weakens their reticence to accept the VBN risk.
This is just one path that leads to risk acceptance, overcoming the cautious position of Engineering/IT and causing the organization to accept A VBN risk that should have been reason enough to halt the project. You might have encountered similar paths in your organization. Beware. A path once trodden is easier to follow a second time. First issue in this series
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More about the Dunning-Kruger Effect
How to Reject Expert Opinion: II [January 4, 2012]
- When groups of decision makers confront complex problems, and they receive opinions from recognized experts, those opinions sometimes conflict with the group's own preferences. What tactics do groups use to reject the opinions of people with relevant expertise?
Devious Political Tactics: More from the Field Manual [August 29, 2012]
- Careful observation of workplace politics reveals an assortment of devious tactics that the ruthless use to gain advantage. Here are some of their techniques, with suggestions for effective responses.
Overconfidence at Work [April 15, 2015]
- Confidence in our judgments and ourselves is essential to success. Confidence misplaced — overconfidence — leads to trouble and failure. Understanding the causes and consequences of overconfidence can be most useful.
Wishful Thinking and Perception: II [November 4, 2015]
- Continuing our exploration of causes of wishful thinking and what we can do about it, here's Part II of a little catalog of ways our preferences and wishes affect our perceptions.
Wishful Significance: II [December 23, 2015]
- When we're beset by seemingly unresolvable problems, we sometimes conclude that "wishful thinking" was the cause. Wishful thinking can result from errors in assessing the significance of our observations. Here's a second group of causes of erroneous assessment of significance.
Cognitive Biases and Influence: I [July 6, 2016]
- The techniques of influence include inadvertent — and not-so-inadvertent — uses of cognitive biases. They are one way we lead each other to accept or decide things that rationality cannot support.
The Paradox of Carefully Chosen Words [November 16, 2016]
- When we take special care in choosing our words, so as to avoid creating misimpressions, something strange often happens: we create a misimpression of ignorance or deceitfulness. Why does this happen?
Risk Acceptance: One Path [March 3, 2021]
- When a project team decides to accept a risk, and when their project eventually experiences that risk, a natural question arises: What were they thinking? Cognitive biases, other psychological phenomena, and organizational dysfunction all can play roles.
Cassandra at Work [April 13, 2022]
- When a team makes a wrong choice, and only a tiny minority advocated for what turned out to have been the right choice, trouble can arise when the error at last becomes evident. Maintaining team cohesion can be a difficult challenge for team leaders.
Embedded Technology Groups and the Dunning-Kruger Effect [March 12, 2025]
- Groups of technical specialists in fields that differ markedly from the main business of the enterprise that hosts them must sometimes deal with wrong-headed decisions made by people who think they know more about the technology than they actually do.
Footnotes
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Related articles
More articles on Cognitive Biases at Work:
The Ultimate Attribution Error at Work
- When we attribute the behavior of members of groups to some cause, either personal or situational, we
tend to make systematic errors. Those errors can be expensive and avoidable.
Cognitive Biases at Work
- Cognitive biases can lead us to misunderstand situations, overlook options, and make decisions we regret.
The patterns of thinking that lead to cognitive biases provide speed and economy advantages, but we
must manage the risks that come along with them.
Seven Planning Pitfalls: II
- Plans are well known for working out differently from what we intended. Sometimes, the unintended outcome
is due to external factors over which the planning team has little control. Two examples are priming
effects and widely held but inapplicable beliefs.
Seven More Planning Pitfalls: III
- Planning teams, like all teams, are vulnerable to several patterns of interaction that can lead to counter-productive
results. Two of these relevant to planners are a cognitive bias called the IKEA Effect, and a systemic
bias against realistic estimates of cost and schedule.
Illusory Management: II
- Many believe that managers control organizational performance more precisely than they actually do.
This illusion might arise, in part, from a mechanism that causes leaders and the people they lead to
tend to misattribute organizational success.
See also Cognitive Biases at Work and Cognitive Biases at Work for more related articles.
Forthcoming issues of Point Lookout
Coming April 2: Mitigating the Trauma of Being Laid Off
- Trauma is an emotional response to horrible events — accidents, crimes, disasters, physical abuse, emotional abuse, gross injustices — and layoffs. Layoff trauma is real. Employers know how to execute layoffs with compassion, but some act out of cruelty. Know how to defend yourself. Available here and by RSS on April 2.
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- When we set out to control the incidence of workplace bullying, problem number one is defining bullying behavior. We know much more about bullying in children than we do about adult bullying, and more about adult bullying than we know about workplace bullying. Available here and by RSS on April 9.
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