What Creates and Destroys Psychological Safety at Work
Psychological safety does not emerge automatically in groups of talented, well-intentioned people. It is shaped by the conditions in which a team operates, and those conditions are more fragile than most leaders realise. Understanding what builds it and what undermines it is essential for anyone responsible for team climate and organisational culture.
The Leader’s Disproportionate Influence
No single factor shapes a team’s level of psychological safety more powerfully than leader behaviour. Leaders signal, through both deliberate action and unconscious habits determine whether the team is a place where it is safe to speak honestly or not. Those signals are interpreted and acted upon with remarkable consistency.
When a leader responds to bad news with frustration, dismisses an idea with a unconstructive comment or visibly favours the views of certain team members over others, people notice. They adjust their behaviour accordingly, sharing less, challenging less and editing what they say before they say it. None of this requires a single dramatic incident. Accumulated micro-signals over time shape the psychological climate far more than any formal statement about culture.
Conversely, leaders who invite challenge, model intellectual humility, admit when they are uncertain, and respond to concerns with curiosity rather than defensiveness create the conditions under which others can do the same. The most effective safety-building behaviours are often low-cost but high-signal: thanking someone for raising a difficult question, acknowledging a mistake without deflection, or explicitly inviting a team member to push back on a proposal.
The Role of Team Norms
While leaders are disproportionately influential, psychological safety is ultimately a property of the team, not of any single relationship. The shared norms and patterns that a team develops over time either reinforce or erode safety.
Teams that have established norms of active listening, constructive disagreement, and inclusive participation sustain safety even when membership changes. Teams that have normalised patterns of interruption, sarcasm, or subtle dominance by certain voices erode safety for everyone, including those who are nominally doing the dominating.
Research by Edmondson identifies three team leader behaviours that are particularly strongly associated with psychological safety: framing work as a learning problem (which signals that uncertainty is normal and errors are informative), acknowledging personal fallibility, and demonstrating curiosity through proactive questioning. These behaviours collectively signal that the team’s job is to think well together, not to perform certainty.
Organisational Context
The broader organisational environment creates the conditions within which team-level psychological safety either flourishes or is suppressed. Organisations with high blame cultures, strong hierarchies, and performance management systems that punish failure create structural headwinds against safety regardless of individual leader intent.
Accountability and psychological safety are not opposites, but the way accountability is implemented matters enormously. Accountability for outcomes in a context where failure triggers blame will suppress safety. Accountability for learning, honest effort, and process quality in a context where failure triggers inquiry tends to strengthen it.
Transparency from senior leadership about organisational challenges, honest communication during periods of uncertainty, and visible examples of leaders taking responsibility for their own mistakes all help to establish a context in which team-level safety is more achievable.
Conclusion
Psychological safety is easier to damage than to build. Public humiliation, even in mild forms, sends a powerful signal that spreads far beyond the individual targeted. When someone is cut off, mocked, or talked over in a meeting, every observer adjusts their own behaviour often without consciously registering why. The person whose idea was dismissed in front of colleagues will rarely raise another one in the same forum.
Inconsistency is particularly corrosive. When leaders encourage openness in principle but respond with irritation in practice, teams learn to trust the behaviour rather than the stated value. The gap between espoused culture and lived culture is one of the most reliable predictors of low psychological safety at the team level.
Psychological safety is not a personality trait or a fixed feature of a team’s composition. It is a dynamic, socially constructed climate that is continuously being shaped and reshaped by the everyday behaviour of its members, and above all by those with the most positional authority.
Edmondson, A. C. (2018). The Fearless Organization: Creating Psychological Safety in the Workplace. Wiley.
Nembhard, I. M., & Edmondson, A. C. (2006). Making It Safe: The Effects of Leader Inclusiveness and Professional Status on Psychological Safety. Journal of Organisational Behaviour, 27(7), 941–966.
Newman, A., Donohue, R., & Eva, N. (2017). Psychological Safety: A Systematic Review of the Literature. Human Resource Management Review, 27(3), 521–535.
