Issue Tree / Logic Tree

Purpose: To move from a vague problem to a set of testable hypotheses.
Structure: Root (Main problem) → Branches (Major components) → Leaves (Key questions).
Rule: Must be <a href="../12---Frameworks--and--Models/MECE-Principle" class="internal alias" data-slug="12---Frameworks--and--Models/MECE-Principle">MECE Principle .

A graphical breakdown of a question into its component parts.