Fishbone Problem Solving

Fishbone Problem Solving-65
When have you experienced personnel testing multiple causes simultaneously? It is highly tempting to dive right into evaluating causes at the beginning of an investigation, but this becomes counterproductive when teams do this without having a thorough description of what their problem is.Moreover, investigating a myriad of causes concurrently can introduce many changes into the process, possibly creating new symptoms that could cloud the initial event that occurred.In some cases, folks are either unclear about the problem they are solving or might disagree as they have conflicting perceptions of this problem.

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However, sensibly there will only be one true cause that comes out of the analysis.

To minimize wasting time testing false causes and to prevent making the problem potentially worse, KT Problem Analysis would have teams take each individual “bone” and test the theory against the problem data, asking “IF this is the cause, then how does it explain the facts”?

However, what percentage of your root cause meetings typically begin with a fishbone (Ishikawa) diagram, or a debate of what folks believe to be the cause?

How quickly do folks want to leave the meeting to go test what they think is the cause?

The value added from combining a fishbone with KT Problem Analysis is how quickly we can eliminate many of the irrelevant bones of the diagram that reasonably can’t explain the problem.

Completing a fishbone might result in a dozen bones or more branching out from the diagram, with each representing a different possible cause.

To ensure that folks are addressing the right problem, and to help validate that a Problem Analysis is even a necessary next step, employing the 5 WHY technique can be a productive exercise.

In some cases, teams might have to question “why” more than just 5 times; in other cases, the number of “whys” it takes to drill down may be less than 5 iterations.

The output of thoroughly completing Step 1 in Problem Analysis is a factual description of the problem.

The next step is to use this problem description, which in KT is known as a “specification”, to identify and subsequently to test possible causes.

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Comments Fishbone Problem Solving

  • Fishbone Diagram Tutorial -
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    Constructing a Fishbone Diagram is straightforward and easy to learn. The Fishbone Diagram can incorporate metrics but is primarily a visual tool for organizing critical thinking. By Involving the workforce in problem resolution the preparation of the fishbone diagram provides an education to the whole team.…

  • Problem solving use a fishbone diagram - SlideShare
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    Problem solving use a fishbone diagram 1. 1 problem solving fishbone technique Use a Fishbone Diagram to attack complex problems One technique for analyzing complex problems that appear to have many interrelated causes is called a "cause and effect" diagram or a Fishbone Diagram.…

  • What is fishbone diagram? - Definition from
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    Fishbone diagrams are used in the "analyze" phase of SixSigma's DMAIC define, measure, analyze, improve, control approach to problem solving. How to create a fish diagram Create a head, which lists the problem or issue to be studied. Create a backbone for the fish straight line which leads to the head.…

  • What is a Fishbone Diagram? Ishikawa Cause & Effect Diagram -
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    Variations cause enumeration diagram, process fishbone, time-delay fishbone, CEDAC cause-and-effect diagram with the addition of cards, desired-result fishbone, reverse fishbone diagram This cause analysis tool is considered one of the seven basic quality tools. The fishbone diagram identifies many possible causes for an effect or problem.…

  • How to Use the Ishikawa Fishbone Diagram as an Awesome Problem-Solving.
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    Click_to_tweet tweet=”The fishbone diagram is a great problem-solving tool. It’s simple to do and you don’t need any fancy technology. It stimulates ideas and helps teams understand the root-causes to problems. #projectmanagement” quote=”The fishbone diagram is a great problem-solving tool.…

  • Cause and Effect Diagram Training Video aka Fishbone Diagram.
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    Fishbone Diagram, or Ishikawa Diagram will help you organize your problem solving efforts. Lean Video created by Jeff Hajek of Velaction Continuous Improvement. Category…

  • Ishikawa Fishbone Diagram – always use it for Problem Solving
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    Ishikawa Fishbone Diagram – always use it for Problem Solving 10/04/2014 by Thomas Liesener 2 Comments In many companies the problem solving process is defined as a technical problem solving process regarding quality issues a product or production- process might have.…

  • Use a Fishbone Diagram to attack complex problems - TechRepublic
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    One technique for analyzing complex problems that appear to have many interrelated causes is called a "cause and effect" diagram or a Fishbone Diagram. Here are examples of how this problem.…

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