diverge · Problem Solving · 45–90 min · 2-12 people · medium energy
Issue Trees
Issue Trees provide a structured approach to problem-solving by breaking down a complex issue into smaller, more manageable components. This method ensures a systematic and comprehensive analysis of the problem.
When to use Issue Trees
Use this method when facing a complex problem with multiple contributing factors or when needing to identify the root causes of an issue.
What it solves
Feeling overwhelmed by the complexity of a problem or struggling to identify the most important factors.
How to run Issue Trees, step by step
- Define the core problem or issue clearly. (5 minutes)
- Identify the major categories or branches of the problem. (15 minutes)
- Break down each category into its sub-issues. (30 minutes)
- Continue breaking down sub-issues until you reach actionable insights or potential solutions. (30 minutes)
- Prioritize the most important issues to address. (10 minutes)
Materials needed
- Whiteboard or virtual whiteboard
- Markers or digital pens
- Sticky notes (optional)
Facilitator tips
- Ensure that each branch of the tree is mutually exclusive and collectively exhaustive (MECE).
- Encourage participants to be specific and actionable when defining sub-issues.
Common pitfalls
- Creating branches that are not mutually exclusive. Ensure that issues are distinct and non-overlapping.
- Failing to break down issues deeply enough. Continue breaking down issues until you reach actionable insights.
Variations
- Use different colors to represent different categories of issues.
- Assign different teams to work on different branches of the tree.
Running it online or hybrid
Use a digital whiteboard or mind-mapping tool to collaboratively build the issue tree.
What it produces
A hierarchical tree diagram that visually represents the breakdown of the problem into its constituent issues.
Origin
Commonly used in management consulting — source
Build a session around Issue Trees
METODIC places Issue Trees inside a complete, timed session plan — agenda, worksheets, facilitator guide and slides — matched to your group and goal.