Program Evaluation Review Technique
PERT is a tool used to plan tasks within a project, making it easier to estimate and schedule.
PERT is a variation on Critical Path Analysis that takes a slightly more skeptical view of time estimates made for each project stage.
How to use it ?
Estimate the 3 kinds of time for each activity:
- shortest possible time
- the most likely length of time
- the longest time that might be taken if the activity takes longer than expected
Use the formula below to calculate the time for each project stage: