For projects that haven’t yet shipped, we typically ask the designer how they would *anticipate* measuring the success — what would they measure and why would they measure it?
Humility, self-awareness, and authenticity and candor in their communication.
…most common I think is not communicating the why behind their projects during the portfolio review. Why did the project exist in the first place? Why was it important to the business? Why was it important to users?