The SCED cost driver is used to account for the observation that a project developed on an accelerated schedule will require more effort than a project developed on its optimum schedule.

Please remove spaces between words.
TheSCEDcostdriverisusedtoaccountfortheobservationthataprojectdevelopedonanacceleratedschedulewillrequiremoreeffortthanaprojectdevelopedonitsoptimumschedule.