Issue trees
When to use it
When a large problem is hard to locate.
How to use it
Break the main problem into clearly related subproblems. Follow branches supported by evidence, avoiding gaps and double-counting.
A real-life example
Split delivery time into waiting for goods, loading and driving. First find the part that increased most.
Try it in a game
Issue trees: measure shortfalls along a pipe network and spend a limited budget on the right repairs.
Play Leak TrackerAfter playing, ask yourself
Which move changed your later choices? If conditions changed, would the same approach still work? What evidence would you need to check before applying the relationships in this game to real life?
Games are simplified practice environments for exploring tools and when to use them. Completing a game does not demonstrate mastery and is not a personality or professional assessment.
These introductions are written by ThinkTest, with learning inspiration from Untools. The games are not official Untools products.
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