Bridging the Gap: Why Psychological Safety Is the Heartbeat of Effective Boards

In 2021 People Plus Science published the first Boardroom Psychological Safety Index/Benchmark and three years further on, not a lot has changed.

• Psychological Safety has gone from 40% to 43%.
• Overall trust of decision makers has increased from 26% to 33%
• Board ratings of Highly Effective and Not at all effective have reduced; whilst Effective boards have climbed significantly.
• Organisational trust of decision makers has remained constant at 36%

“We can’t fix what we can’t see — and what we can’t talk about.”

That statement came from the chair of a high-performing board during interviews with respondents to the Boardroom Psychological Safety Index. It captures what many directors instinctively know but struggle to operationalise: the ability to speak honestly, to question openly, and to challenge respectfully is the lifeblood of strategic success.

With this Index, we analysed data from over 944 board evaluations, survey respondents and cultural diagnostics. The results were striking. Boards that rated themselves as highly effective exhibited almost no perception gaps between directors, executives, and employees. In contrast, those who rated themselves as less effective had up to six times more misalignment—especially around psychological safety, trust, and behavioural accountability.

The correlation was powerful and deeply human: the more psychologically safe the boardroom, the more aligned the organisation, and the stronger the outcomes.

It seems to be a no brainer, however, when we looked at what is stopping common sense from prevailing in the boardroom here were the highest factors inhibiting psychological safety:

• Communication and conflict management skills
• Knowledge and skills around the table (i.e. keeping up to date)
• Chair facilitation and management of discussions
• Accountability – for behaviour , performance, integrity
• Personal interest rather than organisational interest (including conflicts of interest)
• Strategic and operational conflicts
• Trust over due diligence
• Biases and stereotypes maintaining the status quo
• No due diligence – lack of evidence based decision making
• Time constraints to address all of the above.

The Hidden Risk in the Boardroom

“When boards don’t measure perception gaps, they operate in the illusion of alignment. It’s only when the data surfaces that real dialogue can begin.” - Carolyn Grant, CEO People Plus Science, Boardroom Psychological Safety Index

Most directors pride themselves on their independence and decision-making. But few realise that fear, politeness, or deference in the boardroom can be as dangerous as ignorance. When psychological safety is low, board members hesitate to challenge management, question groupthink, or voice dissent. This creates blind spots—strategic, ethical, or cultural. In addition, executives reporting to the board may hesitate to disclose issues, challenges or red flags that would aid in board decision-making.

In our study, we found that psychological safety had a strong correlation with board effectiveness (r = 0.81), respect (r = 0.71), and inclusion (r = 0.74). When safety was high, directors felt confident to engage in honest assessment (r = 0.85), trust flowed downward (r = 0.63), and accountability was real (r = 0.60).

What Builds Psychological Safety in Boardrooms?

Our research and interviews point to several critical factors that most strongly contribute to psychological safety within the boardroom:

Mutual Respect: Demonstrated through active listening, turn-taking, and empathy in decision-making discussions (r = 0.71).

Inclusive Practices: Ensuring all voices—particularly from underrepresented or less-tenured directors and executives reporting to the board—are not only invited but integrated (r = 0.74). The most important contributor or inclusive practices was valuing the individual skills and experiences and not stereotyping.

Honest Assessment Culture: Where feedback, dissent, and rigorous questioning are seen as signs of commitment rather than conflict (r = 0.85).

Clear Accountability Norms: Addressing poor behaviour promptly while modelling ethical courage (r = 0.60).

The Board’s Role in Setting the Tone

Boards don’t just respond to psychological safety, they shape it. How directors engage with each other, how they interact with executives, and how they handle vulnerability sets a powerful tone across the organisation.

• When directors challenge each other constructively, it signals that disagreement is safe.
• When they openly admit mistakes, it gives executives permission to do the same.
• When they hold space for discomfort, they build the conditions for innovation and continuous improvement
• When directors respond in a way that encourages learning and growth rather than blame and condemnation – they invite open disclosure.

Boards are mirrors and multipliers. Their ability to model psychological safety not only strengthens governance, it transforms leadership and culture across the enterprise.

Low-performing boards (those with major perception gaps and inconsistent performance) shared a telling feature: conversations were often performative. Important risks were downplayed. Directors deferred to dominant voices. Cultural issues were seen as “unimportant and a time waster”.

Contrast this with a NFP board that outperformed across stakeholder metrics. They invested in regular perception reviews, real-time feedback tools, and board development focused on relational trust. Their gaps? Less than 5%. Their results? Consistently delivering.

Psychosocial Hazards in the Boardroom

Psychosocial hazards refer to aspects of work design, social structure, leadership, or culture that pose a risk to mental health, well-being, or interpersonal functioning. While often discussed in operational or employee contexts, these hazards are increasingly recognised as present—and impactful—in the boardroom itself.

Board evaluations must consider the psychosocial hazards experienced at board level, executive level and throughout the organisation.

The People Plus Science Boardroom Psychological Safety Index indicated that regardless of size or effectiveness there were a few psychosocial hazards being felt across all industry sectors:

High- Impact Hazards Reported

Job demands – high levels of concentrated effort and oversight generally as a result of changes in regulation and compliance. This was particularly so in Health, Aged Care, NDIS and those with large workforces.

• Disrespectful behaviour and interpersonal incivility going unaddressed
• Personal interest prioritised over organisational interest goes unchallenged
• Managing executive burnout and the increase in psychosocial hazards across organisations.
• Inconsistent or unclear expectations between board and executives
• Fear of judgment or reputational harm for speaking up

Moderate-Impact Hazards Reported:

• Ambiguity around accountability
• Unspoken hierarchies limiting input
• Emotional exhaustion from unresolved board tensions
• Not clear on how “change” or “projects” are going to work out in practice

These hazards aren’t just cultural, they’re consequential. Boards exposed to chronic psychosocial stressors experience declining cohesion, reduced decision quality, and, critically, burnout.

Boards must treat psychosocial risk the same way they would any other strategic or reputational risk. Because its effects—on judgment, culture, and continuity—are just as real.

From Insight to Action

So, what should your board do next?

• Conduct an “external” perception audit:
• Embed psychological safety:
• Measure trust and inclusion:
• Reinforce accountability:
• Tell the truth early:
• Upskill and build competency in areas that matter:
• Seek to understand and challenge only with a foundation of trust and psychological safety.

The Future of Board Effectiveness

“Psychological safety is a strategic condition, not just a cultural virtue. It governs whether boards are fit to respond, adapt, and lead through change.”

This article was first published in the 2025 Better Boards Conference Magazine.

Further Reading

How to Embed Cultural Safety in Healthcare Governance

Dealing with Difficult Directors in the NFP Boardroom

Improving Your Board’s Productivity and Performance with Neuroscience

Nurturing Organisational Health

What is Your Director Personality?