Program Evaluation and Review Technique

Program Evaluation and Review Technique (PERT) is a technique used to estimate project duration through a weighted average of optimistic, pessimistic, and most likely activity durations when there is uncertainty with the individual activity estimates. See also analogous estimating, bottom-up estimating, parametric estimating, and three-point estimating.

Definition

According to the PMI Lexicon of Project Management Terms,

Program Evaluation and Review Technique (PERT). A technique used to estimate project duration through a weighted average of optimistic, pessimistic, and most likely activity durations when there is uncertainty with the individual activity estimates. See also analogous estimating, bottom-up estimating, parametric estimating, and three-point estimating.