n o ren
Human Performance & Leadership

Stop Prioritizing Expert Consensus

Can group decisions be less reliable than individual ones?

2026-06-201 min read

The insight that collective wisdom can sometimes be misguided is both surprising and counterintuitive. This phenomenon occurs because when experts congregate, they often inadvertently create an environment where the desire for consensus overrides the pursuit of accuracy. The mechanism behind this is rooted in social psychology, where the need for group harmony can lead to a suppression of dissenting voices. Consider the example of the Swiss watch manufacturer, Swatch, which in the 1980s, made a pivotal decision to focus on producing high-quality, affordable quartz watches, a move that was not universally agreed upon by industry experts at the time but turned out to be a strategic masterstroke. However, this success story is an exception rather than the rule, as many group decisions are marred by the pitfalls of consensus-seeking. The catch lies in recognizing when consensus is desirable and when it might be detrimental.

Key insights
Consensus can sometimes be the enemy of innovation, as it may prioritize group harmony over disruptive ideas.
The pursuit of expert consensus can inadvertently suppress dissenting voices, leading to less reliable group decisions.
Encouraging contrarian views within a team can lead to more robust decision-making processes.
Why it matters

Ignoring this dynamic can lead to suboptimal decisions that compromise organizational performance and innovation.

Furthermore, the cult of consensus can also stifle diversity of thought, as individuals may self-censor their unique perspectives to avoid conflict, leading to a homogenization of ideas.

Use this tomorrow
1
For your next team meeting, intentionally invite and document contrarian views, then compare the outcomes of decisions made with and without this practice to assess its impact.
2
Implement a "red team" exercise where a small group is tasked with arguing against a proposed decision to uncover potential blind spots.
Go deeper

The concept of groupthink, first identified by psychologist Irving Janis, explains how the desire for unanimity can lead to irrational or poor decision-making. This phenomenon is not limited to business but can be observed in various domains, including politics and social movements. Understanding the psychological underpinnings of groupthink can help leaders and individuals mitigate its effects.

The interplay between consensus-seeking and decision quality is complex and context-dependent. In some scenarios, consensus may be essential for ensuring cooperation and buy-in, while in others, it may hinder the adoption of innovative solutions. Recognizing the appropriateness of consensus in different situations is crucial for effective leadership.