Improving learning efficiency by decreasing time between action and effect is part of which lean-agile principle

The Lean-Agile principle is based on the concepts of the Agile Manifesto and Lean thinking and it is used to empower and engage teams to achieve unprecedented levels of productivity.
Improving learning efficiency by decreasing time between action and effect is part of the following  Lean-Agile principle: Build incrementally with fast, integrated learning cycles

Ican try and , just lmk what you need with!