Root Cause Analysis with the Interrelationship Tool

Going beyond fishbones and 5 Whys to find what really drives issues

What you'll learn
- What is an interrelationship model
- How does the interrelationship model differ from other ways to do root cause analysis
- When to use the interrelationship model for RCA
- Access to a tool to do an interrelationship RCA

Requirements
- none

Description
Are you frustrated with traditional root cause analysis methods that don’t always get to therealproblem? In this one-hour course,Root Cause Analysis with the Interrelationship Model, you’ll learn a practical and powerful way to uncover the causes driving complex issues.

Many teams rely on tools like theFishbone Diagram (Ishikawa), the5 Whys, orDot Voting. While each has its value, they often fall short when:

Problems involve multiple, interconnected factors

Participants bring different perspectives

Influence flows in more than one direction

Teams struggle to prioritize which causes matter most

This course introduces a tool that facilitatesInterrelationship RCAdesigned to overcome these challenges. You’ll see how this model:

Captures relationships between issues in a structured way

Allows for mutual influence (two items affecting each other)

Uses simple scoring to highlight the most influential root causes

Provides clear, visual results that teams can use immediately

By the end of the course, you will:

Understand the strengths and weaknesses of common subjective root cause analysis

Be able to apply the Interrelationship Tool to real-world problems

Learn how to facilitate group input without duplication or confusion

Interpret influence rankings and diagrams to guide decision-making

Have access to a downloadablePython-based applicationyou can run yourself

Whether you’re aproject manager, quality professional, business analyst, or team leader, this course gives you a practical, hands-on method to cut through complexity and find actionable root causes.

Length:~1 hour of instructionIncludes:Downloadable Interrelationship Model tool, exercises, and examplesLevel:Beginner-friendly, no prior coding experience required

Who this course is for:
- This course is for anyone who needs to figure out what might be a root cause to a complex problem or opportunity
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