Define
Location, learners, capability and baseline
Problem → baseline → root cause → options → cost → evidence → equity → pilot → learning outcome → cost per learning gain → evaluation.
Optimise meaningful learning improvement—not intervention coverage.
Location, learners, capability and baseline
Test root causes and constraints
Mechanism, evidence, cost, equity and feasibility
Implementation fidelity and safeguards
Learning gain, cost, distribution and durability
Scale, modify or stop