Don't expect smart people to listen to you without proof.
You can only elevate individual performance by elevating that of the entire system.
Managers don't like giving appraisals, and employees don't like getting them. Perhaps they're not liked because both parties suspect what the evidence has proved for decades: Traditional performance appraisals don't work.
The process is not just the sum of its parts.
Retroactive management emphasizes the bottom line.
A system is a network of interdependent components that work together to try to accomplish the aim of the system. A system must have an aim. Without the aim, there is no system.