214 Glossary
Earned Value Management (EVM) A methodology that combines scope,
schedule, and resource measurements to assess project perfor-
mance and progress.
Effort The number of labor units required to complete a schedule activ-
ity or work breakdown structure component, often expressed in
hours, days, or weeks.
EMV See Expected Monetary Value.
Enabler Project A project part of whose value comes from enabling
another project (often but not necessarily in the same program) to
produce greater value.
Engineering Change Orders (ECOs) In US Department of Defense ter-
minology, formal changes to the project or program baseline plan.
EVM See Earned Value Management.
Exempt Employee An employee who does not have to be paid for work-
ing overtime.
Expe