Safe to Speak Up

What is psychological safety, and how do you build it?

Psychological safety is the shared confidence within a team that you can speak up, ask questions, admit mistakes, offer ideas or say "I'm struggling" without being punished, embarrassed or quietly marked down for it. The term comes from Harvard professor Amy Edmondson's research, which found it to be a defining feature of high-performing teams. It is not the same as comfort or the absence of challenge. It is built through how leaders respond in small moments: welcoming bad news early, thanking people for honesty, admitting their own mistakes, and never punishing the messenger.

Here's a simple test I give leaders. Think of the last time someone on your team admitted a mistake to you early, before it grew. Got an example? Good, you've probably built some safety. Can't think of one? That doesn't mean mistakes aren't happening. It means they're being hidden, and hidden mistakes are the expensive kind.

The same test applies to mental health. In psychologically safe teams, people flag that they're struggling while the problem is still small and the fixes still simple. In unsafe teams, you find out at crisis point, or in an exit interview. Silence isn't harmony. Sometimes it's the most expensive sound in the building.

So how is it actually built? Not with a workshop and a poster. It's built, or broken, in the thirty seconds after someone takes a risk. Someone challenges your idea in a meeting: what happens to them? Someone says "I'm not coping": what happens next? Someone brings you bad news early: are they thanked or shot? Your team is watching every one of those moments and adjusting their honesty accordingly.

And leaders, you set the exchange rate. When you admit your own mistakes and share your own struggles appropriately, you make honesty affordable for everyone below you. You go first. Every time.

Ready to build this in your team? The Mental Health Skills for Managers course gives leaders the practical skills, and Mental Health First Aiders give teams a safe route to support. Email hello@peterlarkum.com to talk about where to begin.