One of the strongest indicators of success in today’s business world is how effectively teams can work together. At the core of this collaboration lies psychological safety. Coined by Harvard Professor Amy Edmondson in 1999, this concept refers to a work environment where team members feel safe to express their ideas without fear of punishment or humiliation.

For many years, performance reviews were based on numerical systems that measured whether specific targets were met. KPIs, scorecards, annual goals, and so on.