Root Cause Analysis is a participatory activity designed to identify and analyze the underlying causes of a problem or potential risk. Using the fishbone diagram (or Ishikawa diagram), participants work together to break down contributing factors into specific categories. This allows teams to visualize connections and prioritize solutions effectively.
Preparation
- Define the purpose:
- Establish the objective: Identify the causes of an existing problem? Prevent potential risks in a project?
- Prepare materials:
- Physical format:
- Large paper or whiteboards to draw the fishbone diagram.
- Colored markers to differentiate categories.
- Sticky notes for recording ideas.
- Digital format:
- Tools to design collaborative online diagrams.
- Physical format:
- Define key categories:
- Select relevant categories for the problem. Examples:
- People
- Processes
- Materials
- Equipment
- Environment
- Select relevant categories for the problem. Examples:
- Organize the space:
- In-person: Arrange workstations or a shared space where everyone can contribute to the diagram.
- Virtual: Set up a shared digital board for collaboration.
Step-by-Step Instructions
- Introduce the purpose
- Explain that the goal is to identify the primary causes of a problem or risk using a collaborative fishbone diagram.
- Present the central problem or risk and ensure everyone understands it.
- Draw the base diagram
- Draw a horizontal line to represent the main problem or risk.
- Add diagonal lines extending from the main line for the predefined categories.
- Brainstorm within categories
- Divide participants into small groups and assign each group a category.
- Ask them to generate possible causes within their category and record them on sticky notes or a digital board.
- Build the diagram
- Each group presents their ideas and places them on the fishbone diagram under the relevant category.
- Facilitate a discussion to adjust or reorganize ideas if needed.
- Analyze key causes
- Evaluate the identified causes to determine which are the most relevant or impactful.
- Use techniques like voting, consensus, or impact assessment to prioritize.
- Define solutions or preventive actions
- For the priority causes, work with participants to propose solutions or mitigation strategies.
- Closing and reflection
- Summarize the key causes and proposed actions.
- Reflect on how this analysis will help prevent or solve the problem.

















