If you asked most executives to build a great team, they'd start with a shopping list: the smartest people, the right mix of seniority, maybe a few extroverts to keep the energy up.
Google tried to test that intuition. The answer it found should change how every leader thinks about culture.
The study
In what became known as Project Aristotle, Google's people-analytics team studied 180 teams — 115 engineering teams and 65 sales teams, from three to fifty people. They measured effectiveness in four different ways, from executive ratings to sales against quota, and analysed hundreds of interviews and more than 250 survey items using over 35 statistical models.
Who is on the team mattered less than how the team works
The surprise was what didn't make much difference at Google: whether people sat together, whether decisions were made by consensus, how extroverted members were, individual performance, workload, seniority, team size or tenure.
What did matter were five dynamics — in this order:
- Psychological safety. Can we take risks — admit a mistake, ask a "silly" question, challenge an idea — without feeling embarrassed or punished?
- Dependability. Can we count on each other to do quality work on time?
- Structure and clarity. Are goals, roles and plans clear?
- Meaning. Is the work personally important to each of us?
- Impact. Do we believe our work makes a difference?
Psychological safety sat underneath all the others. Without it, people don't admit they're behind, don't ask for clarity, and don't share the ideas that make work meaningful.
Why this matters for culture
I find this one of the most liberating findings in management research. It means a team's effectiveness is not fixed by the people you happened to hire. It is shaped by how the team works together — and that is something leaders can design.
Every one of those five dynamics is built, or eroded, in ordinary repeated moments. How the leader reacts when someone admits a mistake. Whether commitments made in Monday's meeting are honoured by Friday. Whether anyone ever explains why a piece of work matters. In other words: by rituals.
Three moves to start
- Give the team a shared vocabulary. Introduce the five dynamics and ask people to rate the team on each, anonymously.
- Talk about the lowest score, not the average. One honest conversation about the weakest dynamic beats a long action plan.
- Model fallibility. As Amy Edmondson — whose research underpins psychological safety — advises: frame work as a learning problem, admit your own mistakes, and ask lots of questions.
Great teams aren't assembled. They're practised.
Try the ritual: Five Dynamics Team Check · Related: Blameless Retrospective · The Unsaid Question
Sources: Understand team effectiveness (Google re:Work). Material from Google re:Work is attributed to rework.withgoogle.com. Google is not affiliated with and does not endorse Rituals of Work.
