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Arrow diagramming method

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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.

ADM example

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.

<references> [1]

  1. ^ A Guide to the Project Management Body of Knowledge, 4th Edition: ANSI/PMI 99-001-2008 (copyright Project Management Institute, Inc. 2008)

See also

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