The Hidden Cost of Silence: What Leaders Miss When Psychological Safety is Absent

In one organisation where I held a leadership role, I made a deliberate decision early on about the kind of culture I wanted to build. I told my team repeatedly: come to me with concerns, with mistakes, with problems you cannot solve alone. I will always be on your side. If you make an error, we fix it together. If you hide it, we cannot learn from it. I meant those words, and I worked consistently to demonstrate through my actions that speaking up would not result in punishment or judgment. Words and actions need to align.

The result was a team that functioned differently from many I had observed elsewhere. People brought me bad news early, when problems were still manageable. They challenged my thinking in meetings when they had valid concerns. They admitted mistakes quickly, which meant we could address issues before they escalated. I saw colleagues supporting one another through difficulties rather than protecting themselves through silence. What I learnt from that experience was how rare this environment actually is, and how quickly organisations pay the price when it is absent. Research from Crucial Learning found that 43% of employees estimate their silence has cost their organisation more than £10,000, while 19% place the figure above £50,000 (Crucial Learning, 2022). The contrast between what I built and what I observe in many organisations reveals just how much is lost when people feel unable to speak freely.

How Silence Manifests in Organisations

Having built an environment where people spoke freely, I became attuned to recognising its absence elsewhere. Working with other organisations, I observe subtle markers that initially seem innocuous. People preface ideas with excessive disclaimers. Meetings end precisely on time with no lingering discussions. Email chains grow longer as people document everything carefully, protecting themselves rather than collaborating freely. Most tellingly, leaders stop hearing about problems until they have already escalated beyond easy resolution.

Amy Edmondson’s foundational research identified psychological safety as the shared belief that a team is safe for interpersonal risk-taking (Edmondson, 1999). When this safety is absent, people withhold the very information organisations need most. In organisations I have encountered, staff know systems are creating inefficiencies, but they have learnt through previous interactions that raising concerns about leadership decisions is professionally risky. Systems championed by senior leaders become untouchable, and productivity quietly suffers.

The pattern extends beyond immediate teams. Junior staff routinely agree with more senior colleagues, regardless of expertise. People stop admitting mistakes, which means organisations repeat them. Innovation stalls because proposing new approaches means implicitly criticising current ones. These environments reward appearing compliant rather than being genuinely helpful, and the cost compounds over time.

The Retention Crisis Nobody Discusses

Recent research from Boston Consulting Group examined 28,000 professionals across 16 countries and found that when psychological safety is high, only 3% of employees are at risk of leaving within a year. When psychological safety is low, that figure rises to 12% (BCG, 2024). The effect is even more pronounced for underrepresented groups: retention increases by four to six times when leaders successfully create psychological safety.

In organisations where I have consulted, these statistics feel accurate. When strong performers leave due to low psychological safety, they rarely cite it directly in exit interviews. Instead, they reference vague concerns about “fit” or “opportunities elsewhere.” Leaders often fail to understand the real driver until patterns become undeniable. By then, the damage to organisational culture has compounded significantly.

Research by Edmondson and Kerrissey examining healthcare workers during the pandemic found that increasing psychological safety by one standard deviation decreased burnout by 0.72 points and increased employees’ willingness to stay by 0.63 points (Edmondson & Kerrissey, 2024). While this study focused on healthcare, the principle applies across sectors: people stay in organisations where they feel able to contribute authentically without fear of humiliation or punishment.

How That Environment Was Built

Creating that culture required deliberate, consistent action over time. I learnt early that leaders set the tone through behaviour rather than words alone. In meetings, I held back from speaking first, allowing others to establish the direction of discussion before I contributed my thoughts. When people raised concerns, I asked questions to understand their perspective fully rather than immediately proposing solutions. I made a point of sharing my own mistakes openly and thanking people who brought me problems early, even when the news was difficult to hear.

The approach felt uncomfortable initially, particularly when people challenged my thinking directly. Every instinct suggested defending my position or asserting authority. I learnt to sit with that discomfort and respond with curiosity instead. When someone interrupted me because I was wrong, I thanked them for the correction. When junior colleagues questioned decisions, I explored their reasoning rather than dismissing their concerns based on hierarchy.

These patterns reinforced themselves over time. People began trusting that speaking up would not damage their careers or relationships. They saw colleagues bring forward mistakes without punishment, which encouraged others to do the same. Problems were resolved collaboratively rather than hidden until they became crises. The culture became self-sustaining because people experienced psychological safety directly rather than simply hearing about it as a stated value.

What This Means for Your Leadership

If you recognise your organisation in these patterns, the solution begins with honest self-examination. People mirror the behaviour of those with power over them. If your team consistently agrees with you, if bad news arrives late, if people seem more concerned with documenting decisions than making good ones, you likely have a psychological safety problem.

The costs extend beyond retention. Gallup research found that improving psychological safety correlates with 27% lower turnover, while aggregated research from Gartner, Gallup and Harvard Business Review identified 76% higher engagement and 50% greater productivity (Gallup, 2017; Ragan Communications, 2023). These figures represent the difference between organisations that thrive and those that merely survive.

At Alliance Clinical Consulting, I work with senior leaders and organisations to develop psychologically safe environments that support both wellbeing and performance. The assessment process examines team dynamics, leadership behaviours, and organisational systems that either support or undermine psychological safety. My approach combines evidence-based frameworks with practical strategies tailored to your specific context. Learn more at https://allianceclinical.co.uk

References

Boston Consulting Group. (2024). Psychological safety levels the playing field for employees. BCG Press Release, January 4, 2024.

Crucial Learning. (2022). Costly conversations: How lack of communication is costing organizations thousands in revenue. Retrieved from https://cruciallearning.com

Edmondson, A. C. (1999). Psychological safety and learning behavior in work teams. Administrative Science Quarterly, 44(2), 350-383.

Edmondson, A. C., & Kerrissey, M. (2024). Psychological safety as an enduring resource amid constraints. International Journal of Public Health, 69, 1607332.

Gallup. (2017). How to create a culture of psychological safety. Retrieved from https://www.gallup.com

Ragan Communications. (2023). How psychological safety affects employee productivity. Retrieved from https://www.ragan.com