It is the project management technique which quantitatively it measures & analyzes the performance (cost and schedule) of project the earned value (earned value) which is something which (the chart displays the progress and the degree of achievement of job usually) money as a standardized scale, manages monistically. At the Department of Defense and the like, it is adopted as management system of the general public supply.

GenerallyWBS to calculate the man-hour which is necessary for the base, to draw up the plan which from here is expressed with money value, achievement schedule amount every of checkpoint (the performance measurement base line: PMB) It sets. In plan money sum total of each job reaches entire cost of project. The money expressing also the achievement job quantity even at project practical phase, by the fact that it compares with achievement schedule amount, it grasps the schedule of task progress quantitatively. By the fact that actual expense and achievement amount is compared simultaneously, it means to be able to measure also the progress of the cost aspect.

It measures the performance of project dynamically,with both sides of schedule and cost, alienation (whether from the base line to need) usual grasping, it makes completion time and the cost estimate when completing whose precision is high possible. In addition, because even completion delay and excess over the estimates it can estimate, it becomes the effective tool of risk management for the project owner. In addition,in PMBOK, it is located as the fundamental tool of management of progress.

It was old historically, was applied first in the Minuteman missile development program 1962, management criteria of 35 items which are called C/SCSC (Cost/Schedule Control Systems Criteria) as an Army Procurement Procedure portion of the Department of Defense, were set in 1967. This standard to insert also application to national welfare in range of vision, the

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Example of responsible allotment matrix

Charge division is various with job and result ones which it should achieve, but be sure to arrange 1 patsy each in any job result things. The patsy bears the role which actively it plans and executes the job.

It is located by the man-power resources planned tool even with project management,"someone" takes chargeof the work package or the activity in WBS, makes clear it owes "which" responsibility.