The document discusses Fishbone diagrams, also known as Cause and Effect diagrams or Ishikawa diagrams. These are visual tools used to categorize and identify potential root causes of problems. The diagram structure resembles a fish skeleton, with the problem written at the head and major contributing factors branching out from the spine. Teams use Fishbone diagrams to brainstorm all possible causes in a given category related to the problem and identify root causes through a structured analysis process. The document outlines the four-step process of defining the problem, identifying major factors, brainstorming possible causes within each factor, and analyzing the diagram to determine the most likely root causes requiring further investigation.

1. FISHBONE DIAGRAM(Cause & Effect
Diagram)
INTRODUCTION:
WHEN YOU HAVE A SERIOUS PROBLEM, IT'S
IMPORTANT TO EXPLORE ALL OF THE THINGS THAT
COULD CAUSE IT, BEFORE YOU START TO THINK
ABOUT A SOLUTION.
A FISHBONE DIAGRAM, ALSO CALLED A CAUSE AND EFFECT DIAGRAM OR
ISHIKAWA DIAGRAM.

2. IT IS A VISUALIZATION TOOL FOR CATEGORIZING THE
POTENTIAL CAUSES OF A PROBLEM IN ORDER TO IDENTIFY ITS
ROOT CAUSES.
A FISHBONE DIAGRAM IS USEFUL IN BRAINSTORMING SESSIONS
TO FOCUS CONVERSATION.

3. ONE CAN USED IT FOR
• DISCOVER THE ROOT CAUSE OF A PROBLEM
• UNCOVER BOTTLENECKS IN YOUR PROCESSES.
• IDENTIFY WHERE AND WHY A PROCESS ISN'T WORKING

4. STRUCTURE
• THE DESIGN OF THE DIAGRAM
LOOKS MUCH LIKE A SKELETON
OF A FISH.
• FISHBONE DIAGRAMS ARE
TYPICALLY WORKED RIGHT TO
LEFT, WITH EACH LARGE
OF THE FISH BRANCHING OUT
TO INCLUDE SMALLER BONES
CONTAINING MORE DETAIL.

5. Fishbone diagrams are used in the "analyze" phase of Six Sigma’s DMAIC (define, measure, analyze,
improve, control) approach to problem solving.

6. 4 Reason to use Fish Bone Diagram
1) DISPLAY RELATIONSHIP
2) SHOW ALL CAUSES SIMULTANEOUSLY
3) FACILITATE BRAINSTORMING
4) HELP MAINTAIN TEAM FOCUS

7. HOW TO USE THE TOOL
STEP 1: IDENTIFY THE PROBLEM
FIRST, WRITE DOWN THE EXACT PROBLEM YOU FACE. WHERE APPROPRIATE, IDENTIFY WHO IS
INVOLVED, WHAT THE PROBLEM IS, AND WHEN AND WHERE IT OCCURS. THEN, WRITE THE PROBLEM
A BOX ON THE LEFT-HAND SIDE OF A LARGE SHEET OF PAPER, AND DRAW A LINE ACROSS THE
HORIZONTALLY FROM THE BOX. THIS ARRANGEMENT, LOOKING LIKE THE HEAD AND SPINE OF A
GIVES YOU SPACE TO DEVELOP IDEAS.

8. Step 2: Work Out the Major Factors Involved
Next, identify the factors that may be part of the problem. These may be systems, equipment, materials,
forces, people involved with the problem, and so on.
Try to draw out as many of these as possible. As a starting point, you can use models such as 7S or the 4 Ps.
Step 3: Identify Possible Causes
 Now, for each of the factors you considered in step 2, brainstorm possible causes of the problem that may
related to the factor.
 Show these possible causes as shorter lines coming off the "bones" of the diagram. Where a cause is large
complex, then it may be best to break it down into sub-causes. Show these as lines coming off each cause

9. STEP 4: ANALYZE YOUR DIAGRAM
BY THIS STAGE YOU SHOULD HAVE A DIAGRAM SHOWING ALL OF THE POSSIBLE CAUSES OF THE
PROBLEM THAT YOU CAN THINK OF.
DEPENDING ON THE COMPLEXITY AND IMPORTANCE OF THE PROBLEM, YOU CAN NOW
THE MOST LIKELY CAUSES FURTHER. THIS MAY INVOLVE SETTING UP INVESTIGATIONS, CARRYING
OUT SURVEYS, AND SO ON. THESE WILL BE DESIGNED TO TEST WHICH OF THESE POSSIBLE
ACTUALLY CONTRIBUTING TO THE PROBLEM

10. Traffic
congestion In
Karachi
Strategy
Staff Equipment
System
Uneducated Politics
System
improper
challan system
Improper
Pedistrian traffic rules
wrong planning
improper training
Uneducated
dishonest
lack
of CCTV
Unfit traffic signal

11.  TIP:
 A useful way to use this technique with a team is to write all of the possible causes of the problem
down on sticky notes. You can then group similar ones together on the diagram.
 This approach is sometimes called CEDAC (Cause and Effect Diagram with Additional Cards) and
was developed by Dr. Ryuji Fukuda, a Japanese expert on continuous improvement.

12. THANKS
ANY QUESTION??