Hoshin Kanri Quality Tools

Hoshin Kanri Quality Tools for Problem Solving Teams

How we use the Affinity Diagram, the Interrelational Digraph, and the Nominal Group Technique to create Ahh-Ha! Moments in your business.


The Affinity Diagram (AD) – A group brainstorming tool utilized to gather and organize ideas from your team of subject matter experts or SME’sThe Interrelational Digraph (IRD)This is a Cause and Effect tool that allows SME’s to separate and identify the “causes and effects” concerning the question at hand

Nominal Group Technique (NGT)This tool allows a team of SME’s to understand others individual perspectives and rank the importance of the statements.

The Affinity Diagram (AD)

  • A group brainstorming tool utilized to gather and organize ideas from your team of subject matter experts or SME’s
  • Quickly captures all the ideas pertaining to the matter at hand
  • Enables everyone in the room to participate and share their expertise.
  • The team will discover the naturally occurring groups of ideas and create statements to use in the further tools

The Interrelational Digraph (IRD)

  • This is a Cause and Effect tool
  • It allows SME’s to separate and identify the “causes and effects” concerning the question at hand
  • Visually shows the relationships between the “causes and effects” of the problem

Nominal Group Technique (NGT)

  • This tool allows a team of SME’s to understand others individual perspectives and rank the importance of the statements.
  • Creates agreement from participants regarding the importance of the actions to be taken.

Isolate Your Issues and Weak Spots and Resolve Them!

MANDURIA-ITALY/DECEMBER 2017: Abandoned train

Common Derailers of Problem-Solving Techniques

• Jumping to conclusions
• Only the outspoken get heard
• Lack of good data from key people
• Disconnect between blue- and white-collar workers
• Lack of communication
• Unwilling participation from people who fear retribution

• And many others…

Businessman planning by glass

Hoshin Kanri Quality Tools

What problem-solving tools can be utilized and how to apply them in your real-world scenario.