[drewcoo]

What you're probably looking for is info about Drucker's "management by objectives," [1] which is the predecessor to most of those goal systems.

[1] https://www.investopedia.com/terms/m/management-by-objective...

[wonderingdev]

I'm familiar with it. Question remains: what's the strongest argument (with supporting data) that it improves something in the company? Anything, even the employee's mood, productivity, etc.