5 minute lesson: continuous improvement methods affinity diagrams & interrelationship diagraphs...
TRANSCRIPT
5 Minute Lesson: Continuous Improvement
Methods
Affinity Diagrams &
Interrelationship Diagraphs
Dr. Jamison V. KovachAssistant Professor, College of Technology & Director, UH-Six Sigma Program
Phone: 713-743-1704 Email: [email protected] Website: www.uhsixsigma.com
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Affinity Diagrams
Basic Format: Purpose:• Used subsequent to
brainstorming sessions– Identify issues associated
with a particular problem
• Organize ideas into natural relationships– Moves habitual thinking
beyond preconceived ideas
• Helps to converge on a number of themes that can be addressed later to deal with the problem
Created by Jiro Kawakita -Also known as:
KJ method
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Constructing an Affinity Diagram
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Constructing an Affinity Diagram
Brainstorming
Grouping
Establishing Themes
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Constructing an Affinity Diagram
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Example of an Affinity Diagram
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Interrelationship Diagraphs
Basic Format: Purpose:• Used subsequent to:
– Affinity diagram– Cause-and-effect diagram– Tree diagram
• Analyze the links between ideas– Allows the key issues to
emerge naturally
• Identify areas of greatest impact– Root cause(s)– Key drivers and outcomes
Also known as:Relations diagram
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Constructing an Interrelationship Diagraph
Ideas from a previous tool or a brainstorming session
Look for cause- effect relationships between all of the ideas and draw relationship arrows.
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Constructing an Interrelationship Diagraph
• Tally the number of outgoing and incoming arrows for each item
– Key driver = Highest number of outgoing arrows
– Key outcome = Highest number of incoming arrows
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Urban Poverty Example
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Resort Management Example
A. Best Employee Benefits
E. Service and Product
Consistency
D. State of the Art Training and
Certification Program
B. World Class Golf/Tennis/Spa
C. Perfect Guest Room
G. Perfect Dining
Experience
F. Appropriate Tools and
Technology Everywhere
H. Highest Perceived
Price/Value
Key Driver
Key Outcome
5 Minute Lesson: Continuous Improvement
Methods
Dr. Jamison V. KovachAssistant Professor, College of Technology
Director, UH-Six Sigma ProgramPhone: 713-743-1704 Email: [email protected]
www.tmacgc.orgwww.uhsixsigma.com