Psychological safety is not a culture initiative. It is a leadership behaviour
Part 2 of a 4-part series: Activate psychological safety.
Most organisations that talk about psychological safety treat it as a culture program. They run a workshop, update the values wall, maybe add it to the engagement survey. Then they wonder why nothing changes.
The reason nothing changes is that psychological safety is not a property of a culture. It is a property of a relationship. Specifically, the relationship between a leader and their team. And that means it cannot be fixed at the organisational level. It can only be built or eroded, one interaction at a time.
Deloitte research found that only 50% of employees say their managers create psychological safety. Perceptyx's 2025 benchmark data shows that while 73% of employees hold positive psychological safety perceptions overall, individual contributors sit well below that average at 69%. And fewer than half of employees report feeling safe sharing their opinions at work for fear of negative consequences.
In short, the gap between what organisations believe they are creating and what their teams are actually experiencing is significant, and it sits in leadership behaviour.
What is actually happening in the brain
When a person feels psychologically unsafe, it is not a feeling in the abstract sense. It is a neurological event. The brain’s threat detection system responds to social threat in the same way it responds to physical danger. Heart rate increases. Cortisol rises. The prefrontal cortex, responsible for complex thinking, creativity and considered judgement, goes offline.
Research by neuroscientist David Rock and others working in organisational neuroscience has shown that experiences like being ignored, publicly corrected, excluded from a decision or having an idea dismissed trigger measurable threat responses. The brain cannot distinguish between being embarrassed in a meeting and being chased by something dangerous. Both register as threat. Both shut down higher order thinking.
The practical consequence is this: when employees feel unsafe, they do not just stay quiet in that one moment. They recalibrate. They start performing compliance rather than contributing judgement. They answer the question they were asked rather than raising the issue they noticed. They do what is expected rather than what is needed. Over time, this becomes the culture, not because of a policy, but because of a pattern of interactions that taught people the safest thing to do is to stay small.
What leaders do without realising it
The behaviours that erode psychological safety are rarely dramatic. They are almost always subtle, repeated and unintentional. A few of the most common ones:
- Finishing other people's sentences. It signals that their thinking is too slow or their direction already known. The person learns to defer.
- Reacting visibly to bad news. Not with anger, necessarily. With a sigh, a tightened jaw, a flat response. The team reads the signal and decides next time they will manage the news before it gets to the leader.
- Only asking for input after the decision is already made. The consultation is real in the leader's mind. It does not feel real to the people being consulted.
- Praising the result, not the reasoning. When leaders celebrate outcomes and stay silent about the quality of thinking that produced them, people learn that what matters is getting it right, not thinking well. Risk aversion follows.
- Asking "does anyone have any questions?" at the end of a presentation. This is not an invitation. It is a social ritual. Everyone in the room knows the expected answer is silence.
None of these behaviours appear in a code of conduct. None of them would be flagged in a performance review. But each one, repeated across hundreds of interactions over months and years, teaches a team that the cost of speaking up is higher than the benefit.
The leaders who get it right
Leaders who build psychological safety do not do so by being warmer or more likeable, though they are often both. They do it through specific, repeatable behaviours that signal to their teams that contribution is safe and welcome.
They ask better questions. Not "any questions?" but "what are we missing?" or "what would make you nervous about this approach?" They invite the uncomfortable thought rather than hoping it stays quiet.
They respond to mistakes by getting curious before getting critical. "What happened?" before "why did you let this happen?" The difference in those two questions is the difference between a team that learns from failure and a team that hides it.
They model uncertainty out loud. They say "I do not know" and "I was wrong about that" and "I changed my mind because..." These are not signs of weakness. They are the single most powerful signal a leader can send that it is safe to be uncertain in this team.
They separate idea evaluation from idea generation. They create space where contribution is welcomed before judgement is applied. Brainstorms where criticism is deferred. Retrospectives where blame is structurally absent.
Research consistently finds that inclusive and transformational leadership styles are the strongest predictors of psychological safety, more so than organisational structure or culture programs. The variable that matters most is what the leader does in the room.
Why this matters more now
Amy Edmondson and Michaela Kerrissey’s 2024 study found that in workplaces with higher levels of psychological safety, employees were significantly less prone to burnout even during periods of intense stress and resource constraints. That finding matters because the conditions most organisations are operating in right now are exactly those conditions. AI adoption is asking teams to experiment with tools and workflows that are genuinely uncertain.
Restructuring is creating ambiguity about roles, status and security. Sustained pressure is making failure feel more costly.
Mental Health America's 2024 research found that employees who feel confident expressing their opinions with their team are far more likely to advocate for themselves and others, and that advocacy is what drives the kind of early problem identification and honest communication that high performing teams depend on.
Organisations that want to perform well in this environment cannot afford teams that are performing compliance. They need employees who are genuinely thinking, genuinely contributing and genuinely willing to say when something is wrong.
That does not come from a culture initiative. It comes from a leader in a meeting on a Tuesday afternoon who responds to a half formed idea with curiosity instead of judgement, and who does that again on Wednesday, and Thursday, until their team has learned that it is safe to think out loud here.
Psychological safety is not a program. It is a practice. And it belongs to whoever is running the room.
If you want to embed psychological safety in your team, Enmasse can support you with leader toolkit resources and targeted training. Get in touch with us to discuss some options tailored to your leadership group.
References
Deloitte. Manager behaviours and psychological safety in the workplace. Deloitte Insights.
Perceptyx. The psychological safety gap: why 30% of employees stay silent. Perceptyx Benchmark Report, 2025.
Edmondson, A. and Kerrissey, M. Psychological safety as an enduring resource amid constraints. International Journal of Public Health, May 2024.
Rock, D. SCARF: a brain-based model for collaborating with and influencing others. NeuroLeadership Journal, 2008.
Mental Health America. Mind the workplace 2024: healthy workplaces lead with trust and support. MHA, 2024.
Ancarani, A. et al. Antecedents of workplace psychological safety in public safety and frontline healthcare: a scoping review. PMC, 2025.
Gallup. State of the global workplace report, 2025.*
