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Arrow Diagramming Method (ADM) is a network diagramming technique in which activities are represented by arrows. It is used for scheduling activities in a project plan.
The precedence relation between activities is represented by circles connecting to one or more arrows. The length of the arrow represents the duration of the relevant activity.

Sometimes a "dummy task" is added, to represent a dependency between tasks, which does not represent any activity.

Use of the Arrow Diagramming Method as a common project management practice has declined with the adoption of computer-based scheduling tools. The Precedence Diagram Method (PDM) is often favored over the Arrow Diagraming Method.

The Arrow Diagramming Method is also known as the Arrow-on-Arrow (AOA) method.

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[edit] See also

• Precedence Diagram Method
• Program Evaluation and Review Technique

[edit] References

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