Quality improvement tools | Fishbone diagrams

Introduction

A Fishbone diagram, also known as a Cause and Effect diagram or Ishikawa diagram. It is an essential quality improvement tool to assist teams in identifying and analysing potential causes of problems.

By organizing factors into categories, it facilitates a focused approach to uncovering root causes and developing effective solutions. In this section, we will outline its uses, creation process, and necessary materials needed for successful implementation.

When can we use the Fishbone diagram? 

  • When trying to identify possible causes of why something happened or might happen in an orderly manner
  • Most effective when used in a team or group settings

Why do we use the Fishbone diagram?

  • Determine root causes
  • Helps to show causal relationships between contributing factors
  • Helps to organise potential causes into smaller categories
  • The prime purpose is to brainstorm all the possibilities that could cause the problem and then drill down to the factor(s) that are causing this issue. It enables teams to focus on why the problem occurs, then once found, eliminate them

How do we use a Fishbone diagram?

Please click on the downloadable PDF titled 'How to use a Fishbone diagram' for in-depth instructions.

Creating a Fishbone diagram

  • Materials needed: whiteboard or flipchart, multiple different coloured pens or post it notes
  • Please click on the downloadable PDF titled 'Cause and effect diagram' for an illustrated template

Resources

How to create cause and effect diagrams (video)

References

https://asq.org/quality-resources/fishbone

http://www.ihi.org/resources/Pages/Tools/CauseandEffectDiagram.aspx

This page was last updated October 2024

Introduction

A Fishbone diagram, also known as a Cause and Effect diagram or Ishikawa diagram. It is an essential quality improvement tool to assist teams in identifying and analysing potential causes of problems.

By organizing factors into categories, it facilitates a focused approach to uncovering root causes and developing effective solutions. In this section, we will outline its uses, creation process, and necessary materials needed for successful implementation.

When can we use the Fishbone diagram? 

  • When trying to identify possible causes of why something happened or might happen in an orderly manner
  • Most effective when used in a team or group settings

Why do we use the Fishbone diagram?

  • Determine root causes
  • Helps to show causal relationships between contributing factors
  • Helps to organise potential causes into smaller categories
  • The prime purpose is to brainstorm all the possibilities that could cause the problem and then drill down to the factor(s) that are causing this issue. It enables teams to focus on why the problem occurs, then once found, eliminate them

How do we use a Fishbone diagram?

Please click on the downloadable PDF titled 'How to use a Fishbone diagram' for in-depth instructions.

Creating a Fishbone diagram

  • Materials needed: whiteboard or flipchart, multiple different coloured pens or post it notes
  • Please click on the downloadable PDF titled 'Cause and effect diagram' for an illustrated template

Resources

How to create cause and effect diagrams (video)

References

https://asq.org/quality-resources/fishbone

http://www.ihi.org/resources/Pages/Tools/CauseandEffectDiagram.aspx

This page was last updated October 2024

Introduction

A Fishbone diagram, also known as a Cause and Effect diagram or Ishikawa diagram. It is an essential quality improvement tool to assist teams in identifying and analysing potential causes of problems.

By organizing factors into categories, it facilitates a focused approach to uncovering root causes and developing effective solutions. In this section, we will outline its uses, creation process, and necessary materials needed for successful implementation.

When can we use the Fishbone diagram? 

  • When trying to identify possible causes of why something happened or might happen in an orderly manner
  • Most effective when used in a team or group settings

Why do we use the Fishbone diagram?

  • Determine root causes
  • Helps to show causal relationships between contributing factors
  • Helps to organise potential causes into smaller categories
  • The prime purpose is to brainstorm all the possibilities that could cause the problem and then drill down to the factor(s) that are causing this issue. It enables teams to focus on why the problem occurs, then once found, eliminate them

How do we use a Fishbone diagram?

Please click on the downloadable PDF titled 'How to use a Fishbone diagram' for in-depth instructions.

Creating a Fishbone diagram

  • Materials needed: whiteboard or flipchart, multiple different coloured pens or post it notes
  • Please click on the downloadable PDF titled 'Cause and effect diagram' for an illustrated template

Resources

How to create cause and effect diagrams (video)

References

https://asq.org/quality-resources/fishbone

http://www.ihi.org/resources/Pages/Tools/CauseandEffectDiagram.aspx

This page was last updated October 2024

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Downloadable resources

Introduction

A Fishbone diagram, also known as a Cause and Effect diagram or Ishikawa diagram. It is an essential quality improvement tool to assist teams in identifying and analysing potential causes of problems.

By organizing factors into categories, it facilitates a focused approach to uncovering root causes and developing effective solutions. In this section, we will outline its uses, creation process, and necessary materials needed for successful implementation.

When can we use the Fishbone diagram? 

  • When trying to identify possible causes of why something happened or might happen in an orderly manner
  • Most effective when used in a team or group settings

Why do we use the Fishbone diagram?

  • Determine root causes
  • Helps to show causal relationships between contributing factors
  • Helps to organise potential causes into smaller categories
  • The prime purpose is to brainstorm all the possibilities that could cause the problem and then drill down to the factor(s) that are causing this issue. It enables teams to focus on why the problem occurs, then once found, eliminate them

How do we use a Fishbone diagram?

Please click on the downloadable PDF titled 'How to use a Fishbone diagram' for in-depth instructions.

Creating a Fishbone diagram

  • Materials needed: whiteboard or flipchart, multiple different coloured pens or post it notes
  • Please click on the downloadable PDF titled 'Cause and effect diagram' for an illustrated template

Resources

How to create cause and effect diagrams (video)

References

https://asq.org/quality-resources/fishbone

http://www.ihi.org/resources/Pages/Tools/CauseandEffectDiagram.aspx

This page was last updated October 2024

Introduction

A Fishbone diagram, also known as a Cause and Effect diagram or Ishikawa diagram. It is an essential quality improvement tool to assist teams in identifying and analysing potential causes of problems.

By organizing factors into categories, it facilitates a focused approach to uncovering root causes and developing effective solutions. In this section, we will outline its uses, creation process, and necessary materials needed for successful implementation.

When can we use the Fishbone diagram? 

  • When trying to identify possible causes of why something happened or might happen in an orderly manner
  • Most effective when used in a team or group settings

Why do we use the Fishbone diagram?

  • Determine root causes
  • Helps to show causal relationships between contributing factors
  • Helps to organise potential causes into smaller categories
  • The prime purpose is to brainstorm all the possibilities that could cause the problem and then drill down to the factor(s) that are causing this issue. It enables teams to focus on why the problem occurs, then once found, eliminate them

How do we use a Fishbone diagram?

Please click on the downloadable PDF titled 'How to use a Fishbone diagram' for in-depth instructions.

Creating a Fishbone diagram

  • Materials needed: whiteboard or flipchart, multiple different coloured pens or post it notes
  • Please click on the downloadable PDF titled 'Cause and effect diagram' for an illustrated template

Resources

How to create cause and effect diagrams (video)

References

https://asq.org/quality-resources/fishbone

http://www.ihi.org/resources/Pages/Tools/CauseandEffectDiagram.aspx

This page was last updated October 2024

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Whāraurau is funded by the  Government to provide training, however as we have limited funds it is important to let us know if you aren't able to attend. This also allows us to offer your place to someone else. Note: we do not cover the cost of travel or accommodation.

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