According to the 2019 Nobel Prize winner in economics, Daniel Kahneman, all decisions are made with partial information due to the systemic cognitive biases people bring to the decision-making process. However, decisions don't require perfection to be effective. For corporate leaders bearing the pressure to make tough calls, asking the right questions is a systematic approach to gathering information that avoids the pitfalls in pursuit of perfection.
In a decade-long longitudinal study of over 2,700 leaders, Harvard Business Review (HBR) found that too many leaders were shrinking from making difficult decisions, and delays often did more damage than they sought to avoid. The bigger an organization gets, the less decisive it becomes.
https://www.entrepreneur.com/leadership/ask-yourself-these-5-questions-to-make-better-decisions/438551