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Definition: Performance of the variance analysis during the schedulemonitoring process is a key element for time control. Comparing target dates with the actual/forecast start and finish dates provides useful information for the detection of deviations and for the implementation of corrective solutions in case of delays.
Acceptance Level:  Generally accepted

Alternative or Related Terms:  Schedule control

Application Areas/Intended Uses: Schedule variance analysis is a tool or technique used in schedule control.

Chief Advantages: Variance analysis, as used in schedule control, documents the extent of any deviations from planned dates, surfaces possible causes of variance, as well as potential impacts.

Additional Reading:
Are Your Projects on Schedule? How Do You Know? Fred H. Martin.
PMI 2001 Seminars & Symposium Proceedings, Nashville, Tennessee USA.
Delivering Successfully Under Short Time Constraints. Thomas Lawrence Shrum.
PMI 2001 Seminars & Symposium Proceedings, Nashville, Tennessee USA.