The Enigmatic Absence: Unveiling Group think

23 Aug 2023 12:59 PM | Ali Kucukozyigit (Administrator)

by Joshua J. Plenert, PE, MS, MBA

In the annals of history, certain tales stand out as powerful symbols of insight into human cognition and decision-making processes.  One such enigmatic story is that of Abraham Wald's Missing Bullet Holes.  This captivating account serves as a testament to the prevalence of groupthink—a phenomenon that has been widely studied and often wreaks havoc on rational decision-making within various organizational contexts.  From an organizational psychology perspective, exploring the intricacies of this story and its relationship with groupthink provides a unique opportunity to delve into the intricacies of human perception and cognitive biases.  Furthermore, by understanding the neuroscience behind groupthink, we can uncover strategies to mitigate its detrimental effects and foster more effective and innovative decision-making processes.

The Saga of the Missing Bullet Holes

During World War II, a challenge perplexed statisticians and military analysts: how to minimize aircraft losses due to enemy fire.  The solution seemed straightforward at first glance—analyze the bullet holes on returning aircraft and reinforce the areas that were most heavily hit.  However, Abraham Wald, a brilliant mathematician, took a different approach that would ultimately unveil a fundamental flaw in human reasoning.

Wald recognized that the data collected only represented the aircraft that survived their missions.  The aircraft that were shot down were not included in the analysis, as they were unable to return for inspection.  Consequently, Wald proposed an unconventional perspective—rather than reinforcing the areas with the most bullet holes; one should reinforce the areas with the fewest.  His rationale was rooted in the principle that the planes returning with holes in certain regions had managed to survive, suggesting that those areas were less critical to the aircraft's functionality.

Groupthink: The Hidden Catalyst

Wald's counterintuitive insight illustrates a critical aspect of groupthink—a psychological phenomenon in which cohesive and like-minded groups prioritize consensus and harmony over critical evaluation and dissent.  In the case of the missing bullet holes, the original approach to reinforce areas with the most damage could be likened to groupthink.  The analysts had developed a collective assumption that the surviving aircraft represented the entirety of the population, inadvertently overlooking the significance of the absent data.

Groupthink often stems from a desire for social conformity and a fear of disrupting group cohesion.  This can hinder diverse perspectives and innovative thinking, leading to flawed decision-making processes.  From an organizational psychology perspective, the tale of the missing bullet holes serves as a poignant reminder of the importance of fostering an environment that encourages open dialogue, dissent, and critical evaluation.

Neuroscience Insights: Unraveling the Brain's Role in Groupthink

Neuroscience has provided valuable insights into the mechanisms underlying groupthink.  The brain's architecture predisposes individuals to seek social acceptance and affiliation.  The anterior cingulate cortex, for instance, is responsible for processing social information and plays a crucial role in monitoring errors and conflicts.  In the context of groupthink, this brain region may inadvertently suppress dissenting opinions to maintain social harmony, leading to the uncritical acceptance of flawed ideas.

Moreover, the brain's reward system reinforces conformity and social validation.  When individuals conform to the group's opinions, they experience a sense of reward, triggering the release of dopamine.  This neurological reward mechanism can deter individuals from expressing opposing viewpoints, further exacerbating groupthink.

Mitigating Groupthink

To combat the pernicious effects of group think and encourage more effective decision-making, organizations can adopt several strategies rooted in organizational psychology and neuroscience:

Promote Psychological Safety: Establish an environment where team members feel safe expressing dissenting opinions without fear of retribution.  When individuals perceive that their contributions are valued and respected, they are more likely to voice alternative viewpoints.

Encourage Diversity: Cultivate diverse teams composed of individuals with varying backgrounds, perspectives, and expertise.  Diversity enhances cognitive flexibility and reduces the risk of homogenous thinking patterns that contribute to groupthink.

Designated Devil's Advocate: Assign the role of a "devil's advocate" in team discussions to systematically challenge prevailing opinions.  This approach can stimulate critical thinking and encourage the exploration of alternative solutions.


The story of Abraham Wald's Missing Bullet Holes is a testament to the enduring power of human cognition and the insidious influence of groupthink.  Through an organizational psychology lens, we have dissected the intricate relationship between this historical anecdote and the phenomenon of groupthink, shedding light on the pitfalls of consensus-driven decision-making.  By integrating insights from neuroscience, we have unraveled the brain's role in perpetuating groupthink and identified strategies to counteract its detrimental effects.

As we navigate the complex landscape of organizational decision-making, we must remain vigilant against the allure of groupthink.  By fostering an environment that embraces diverse perspectives, encourages dissent, and leverages the neuroscientific underpinnings of cognitive biases, we can pave the way for more innovative, informed, and effective choices, ensuring that the missing bullet holes of the past do not become the blind spots of our future.

About the Author

Joshua Plenert is highly passionate about the continuous improvement of organizations in the AEC industry.  He has held multiple technical, leadership, and consulting roles for over two decades in the AEC industry.  He holds a master’s degree in Structural Engineering and an MBA.  He has taught engineering, business management, and construction management courses at multiple universities, and he is the author of the groundbreaking new book, How We Go: Culture-Centric Leadership, High-Functioning Enterprise. 

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