Problem tree

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What a problem tree is

“In science and reliability engineering, root-cause analysis (RCA) is a method of problem solving used for identifying the root causes of faults or problems.”
From Wikipedia — Root-cause analysis — CC BY-SA 4.0

Types of problem tree

When to use a problem tree

  • Cause and effect

    Put the problem at the top, with what causes it on one branch and what it leads to on the other.

  • New project

    Used at the start of a project, to agree on what the real problem is.

  • Nature

    Works well for problems in nature, like a polluted river and where the pollution comes from.

How to make a problem tree

  1. 1The problem
  2. 2Causes and effects
  3. 3Each one named
Make a problem tree

Helpful resources

Trees & hierarchies

More trees & hierarchies

Questions

What other tools find root causes?
According to ISO/IEC 31010, RCA may include these techniques: five whys, failure mode and effects analysis (FMEA), fault tree analysis, Ishikawa diagrams, and Pareto analysis.From Wikipedia — Root-cause analysis — CC BY-SA 4.0
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