root-cause-analysis
Root Cause Analysis
Systematic problem solving using Fishbone (Ishikawa) diagrams and 5 Whys technique. Identifies true root causes and recommends effective corrective actions.
What is Root Cause Analysis?
Root Cause Analysis (RCA) is a structured approach to identify the fundamental cause(s) of problems, rather than addressing symptoms. Effective RCA prevents problem recurrence.
| Approach | Focus | Best For |
|---|---|---|
| Fishbone (Ishikawa) | Brainstorming all potential causes by category | Complex problems with multiple potential causes |
| 5 Whys | Drilling down through cause chains | Problems with linear cause-effect relationships |
| Combined | Fishbone to identify, 5 Whys to drill down | Comprehensive root cause identification |
Framework 1: Fishbone (Ishikawa) Diagram
What is a Fishbone Diagram?
A Fishbone diagram (also called Ishikawa or cause-and-effect diagram) organizes potential causes into categories, resembling a fish skeleton with the problem as the "head."
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