INTERRELATIONSHIP DIGRAPH PDF

Quality Glossary Definition: Interrelationship diagram. An interrelationship diagram is defined as a new management planning tool that depicts the relationship among factors in a complex situation. The interrelationship diagram shows cause-and-effect relationships. Its main purpose is to help identify relationships that are not easily recognizable. Materials needed: Sticky notes or cards, large paper surface newsprint or two flipchart pages taped together , marking pens, and tape. Remember, the number of arrows is only an indicator, not an absolute rule.

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Quality Glossary Definition: Interrelationship diagram. An interrelationship diagram is defined as a new management planning tool that depicts the relationship among factors in a complex situation.

The interrelationship diagram shows cause-and-effect relationships. Its main purpose is to help identify relationships that are not easily recognizable. Materials needed: Sticky notes or cards, large paper surface newsprint or two flipchart pages taped together , marking pens, and tape. Remember, the number of arrows is only an indicator, not an absolute rule. Be sure to check whether ideas with fewer arrows also are key ideas. Draw bold lines around the key ideas. A computer support group is planning a major project: replacing the mainframe computer.

The group drew an interrelationship diagram see Figure 1 to sort out a confusing set of elements involved in this project. Figure 1: Interrelationship Diagram. The ideas that were brainstormed were a mixture of action steps, problems, desired results, and less-desirable effects to be handled. All these ideas went onto the diagram together.

As the questions were asked about relationships and causes, the mixture of ideas began to sort itself out. A small hospital was concerned about the productivity of its doctors because they were the most expensive employees and critical for the treatment of the patients. Having taken numerous steps toward ensuring high productivity, hospital management was baffled when productivity steadily declined month after month.

Since this development was unexplainable, management sought to gain insight into causes and effects among the different factors at play. They decided to create an interrelationship diagram and include the following factors in the analysis:. Figure 2: Interrelationship Diagram. Cart Total: Checkout. Learn About Quality. Advanced search. About Relations Diagram. Relations Diagram Resources. Relations Diagram Related Topics. What is an Interrelationship Diagram?

Quality Glossary Definition: Interrelationship diagram Also called: interrelationship diagraph, relations diagram or digraph, network diagram Variation: matrix diagram An interrelationship diagram is defined as a new management planning tool that depicts the relationship among factors in a complex situation.

Write it on a card or sticky note and place it at the top of the work surface. Brainstorm ideas about the issue and write them on cards or notes. If another tool has preceded this one, take the ideas from the affinity diagram, the most detailed row of the tree diagram, or the final branches on the fishbone diagram.

If helpful, use these ideas as starting points and brainstorm additional ideas. Place one idea at a time on the work surface and ask, "Is this idea related to any others?

Leave space between cards to allow for drawing arrows later. Repeat until all cards are on the work surface. For each idea, ask, "Does this idea cause or influence any other idea? Repeat the question for every idea. Analyze the diagram: Count the arrows in and out for each idea. Write the counts at the bottom of each box. The ones with the most arrows are the key ideas. Note which ideas have primarily outgoing from arrows. These are basic causes. Note which ideas have primarily incoming to arrows.

These are final effects that also may be critical to address. Create an Interrelationship Diagram for Root Cause Analysis Determine the factors to be analyzed for possible relationships and label these using brief and succinct definitions. Plot the factors on an empty chart on a whiteboard, preferably in a roughly circular shape. Assess what impacts each factor and which factors are impacted by it, and illustrate the relationships using arrows.

After all relationships have been assessed, count the number of arrows pointing into and away from each factor and denote this information on the diagram. Depending on the number of arrows pointing in each direction for a factor, it can play one of two roles: driver more arrows away from than into , or indicator more arrows into than away from.

When continuing the root cause analysis , the drivers form the starting point. Tools for Creating an Interrelationship Diagram Interrelationship Checklist Interrelationship Diagram Template Instructions Template Interrelationship Diagram Example 1 A computer support group is planning a major project: replacing the mainframe computer.

Figure 1: Interrelationship Diagram "Computer replacement project" is the card identifying the issue. After all the arrows were drawn, key issues became clear. They are outlined with bold lines. Both ideas are basic causes. Interrelationship Diagram Example 2 A small hospital was concerned about the productivity of its doctors because they were the most expensive employees and critical for the treatment of the patients. Featured Advertisers.

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Interrelationship digraph (network diagram)

An interrelationship diagram ID shows how different issues are related to one another. It helps identify which issues are causing problems and which are an outcome of other actions. It also shows the strength of each influence. An interrelationship diagram consists of a set of boxes, one representing each issue to be considered.

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Interrelationship Diagram

It is a quality management tool that encourages creative problem solving in complex scenarios that are intertwined with logical relationships. It simply shows the cause and effect of relationships thus helping analyze the link between different aspects of a complicated situation. This particular project management tool encourages the team members to avoid thinking in a linear way. It also explores the relationships of different issues including controversial ones thus allowing key issues to come out naturally.

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Interrelationship Digraphs

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