The five keys of team effectiveness
Google's internal study of what set its effective teams apart. Psychological safety was the strongest of five differentiators, ahead of dependability, structure and clarity, meaning, and impact.
Evidence grade: research Peer-reviewed or large-sample empirical work supports it.
Use it when
Confirming that, in a large engineering organisation with its own data, the construct from the academic literature was the one that mattered most.
Where it stops working
It is a single-company study reported by the company itself. Its value is as confirmation, and it discovered nothing new.
Where the standard uses it
- CC-1Psychological safety and productive conflictSafe to speak, expected to disagree, committed once decided.
Sources
- Julia Rozovsky. The Five Keys to a Successful Google Team. Google re:Work, 2015. In the bibliography
Used alongside it
- Blameless postmortems practice
- Conflict then commitment practice
- Psychological safety research
- Trust as a behavioural account practice
Cite this model
Chicago, BibTeX and licence →Engineering Management Academy. (2026). The five keys of team effectiveness. In Engineering Management Academy Body of Knowledge (Version 3.1, TEC.five-keys-of-team-effectiveness). https://www.engineeringmanagement.academy/body-of-knowledge/techniques/five-keys-of-team-effectiveness