hygiene zone
quality tools
quality techniques
human issues
quality awards
quality extra
visitor tools


Stay Informed
Sign up below to receive our Occasional Newsletter.

We Respect Your Privacy!

Web SaferPak
SaferPak: Food Packaging Safety, Food Safety, Business Improvement and Quality Management
       Home     About     Contact

Kawakita Jiro
Kawakita Jiro

The Affinity Diagram or KJ Method (named after Kawakita Jiro) is one of the "seven management and planning tools'. Affinity Diagrams are useful for gathering large amounts of data (opinions, ideas etc.) and for organising them into groupings based on their relationship. An Affinity Diagram can help to identify patterns within data providing recourse for further investigation or action.

How to - Affinity Diagram (pdf 61 kb)
The guide includes an overview of affinity diagrams, when and when not to use them, how to use them; as well as exercises for getting started...
The US Navy Total Quality Leadership Office

Continual Improvement Tools & Techniques
A Guide for Business Improvement

Continual Improvement Tools & Techniques: A Guide for Business Improvement
View larger image

This guide explains how to carry out more than twenty tools & techniques necessary to ensure your business continually improves.

Topics covered include:

Affinity diagrams, Bar charts, Black & white charts, Brainstorming, Cause & effect diagrams, Design of Experiments (DoE), Failure Mode, Effect and Criticality Analysis (FMEA/FMECA), Fault Tree Analysis (FTA), Five WHY’s for root cause analysis, Five Ws & one H for problem definition, Flow charting, Histograms, Pareto analysis, Pictograms, Pie charts, Plan-Do-Check-Act (PDCA) cycle, Quality Function Deployment (QFD), Rating, Repeatability and Reproducibility tests (R&R), Run charts, Significance testing, Solution effect diagrams

Also includes a handy matrix showing when to apply which tool & technique.

Further reading

The Memory Jogger II: A Pocket Guide of Tools for Continuous Improvement

The Memory Jogger II: A Pocket Guide of Tools for Continuous Improvement
Michael Brassard

This handy Pocket Guide uses graphics and easy-to-understand text to describe what the tools are, why they’re used, and how to use them. Tools are explained using real-life examples from all types of organisations, making them easy for everyone to understand and apply. The 22 Tools covered are
Activity Network Diagram, Affinity Diagram, Brainstorming, Cause & Effect (Fishbone), Check Sheets, Control Charts, Data Points, Flowchart, Force Field Analysis, Histograms, Interrelationship Digraph (ID), Matrix Diagram, Multivoting, Pareto Chart, Prioritization Matrices, Problem Solving Model, Process Capability, Radar Chart, Run Chart, Scatter Diagram, Team Guidelines, Tree Diagram, Process Decision, Program Chart, Nominal Group Technique (NGT).

Buy UK Buy US  




Email this page to a friend:

Have you got an interesting resource to contribute?
Talk about Affinity Diagrams in the discussion forums




Back to previous page














top of page


home :: about :: contact :: terms

© 2006 SaferPak Ltd.