https://en.wikipedia.org/wiki/Pareto_principle
In my 2004 book, Software Endgames, I leveraged the Pareto Principle extensively when considering defect clustering and triage.
2013, I wrote one of my first posts about the Pareto Principle.
in 2017, I wrote the following - https://rgalen.com/agile-training-news/2021/5/17/revisiting-pareto-and-you
But I realized just the other day that I hadn’t revisited Pareto for six years, and I felt it was time to focus on it solely in the context of Agile Coaching.
80% of your coaching impact will be realized by 20% of your coaching clients.
80% of your client's realized value will emerge from 20% of your coaching time.