Which tool is used to develop a schedule utilizing PERT methodology?

The tool that is specifically used to develop a schedule utilizing PERT (Program Evaluation Review Technique) methodology is the network diagram. PERT is a project management technique that focuses on the dependencies between different tasks and helps in estimating the time needed to complete each task in a project.

Network diagrams visually represent the sequence of activities and their interdependencies, making it easier to identify critical paths and the overall project duration. They allow project managers to analyze the various paths through a project and determine which tasks are dependent on the completion of others, which is a fundamental aspect of the PERT methodology.

While Gantt charts, flowcharts, and bar charts are useful project management tools, they serve different purposes. Gantt charts are excellent for visualizing timelines and tracking progress but do not inherently convey dependencies between tasks like network diagrams do. Flowcharts focus on representing processes and workflows rather than the scheduling aspects crucial to PERT. Bar charts, similar to Gantt charts, track performance but lack the emphasis on task dependencies that is critical in PERT scheduling.