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PERT (Program Evaluation and Review Technique)

Project ManagementProject and performance management

Reference model

PERT ProcessA cycle of 6 steps that repeats: 1, Define the project; 2, Identify task dependencies; 3, Estimate durations; 4, Draw the PERT chart; 5, Identify the critical path; 6, Update as needed; after the last step the cycle returns to the first.Define the projectIdentify all tasks anddeliverables.1Identify taskdependenciesDetermine which tasksdepend on others.2Estimate durationsEstimate the time requiredfor each task.3Draw the PERT chartVisualize tasks anddependencies.4Identify the criticalpathDetermine the longest paththrough the proj…5Update as neededRevise the chart as theproject progresses.6

PERT chart visualizes project tasks and timelines.

About this model

A project management tool that uses a network diagram to represent tasks and their dependencies, allowing for time estimation and scheduling.

Originator not stated.

How to read it

  • Start from the beginning of the project and follow through to the end.
  • Look for the critical path to identify tasks that directly affect the project duration.

What this does

Helps in planning and coordinating large projects by analyzing the tasks involved and estimating the time required to complete each task.

When to use it

Use it when you need to manage complex projects with interdependent tasks and require a visual representation of the project timeline.

Not when: Do not use it for simple projects where tasks are straightforward and can be managed without detailed analysis.

What happens next

Consider using a Gantt chart for tracking progress once the PERT chart is established.

Golden thread

Builds on ←

  • Project charter
  • Resource allocation

Feeds into →

  • Project schedule
  • Resource management plan

Use this tool, free

Sign in to open the worksheet. Your work saves as you type, the AI can draft the parts you have not filled in, and you finish with an analysis and a 30/60/90-day action plan.

Drafted with AI and reviewed by Eccellere on 04/11/2026. Guidance, not advice: apply your own judgement.