Defense Acquisition Research Journal #108

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FIGURE 3. SENSITIVITY ANALYSIS OF EVM STABILITY RESULTS WHEN INCLUDING 4-YEAR AND 3-YEAR DEVELOPMENT EFFORTS TO THE DATASET

EAC Comparison (Earned Value Management)

5%

0%

-5%

EACcpi EACspi($) EACsci($) EACcpi (>4yrs) EACspi($) (>4yrs) EACsci($) (>4yrs) EACcpi (>3yrs) EACspi($) (>3yrs) EACsci($) (>3yrs)

-10%

-15%

-20%

-25%

-30%

-35%

-40%

-45% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

Project Completion

Note. cpi = Cost Performance Index; DCAC = Deviation from Cost at Completion; EAC = Estimate at Completion; EVM = Earned Value Management; sci = Schedule Cost Index; spi = Schedule Performance Index.

FIGURE 4. SENSITIVITY ANALYSIS OF ES STABILITY RESULTS WHEN INCLUDING 4-YEAR AND 3-YEAR DEVELOPMENT EFFORTS TO THE DATASET

EAC Comparison (Earned Schedule)

5%

0%

-5%

EACspi(t) EACsci(t)

-10%

-15%

EACspi(t) (>4yrs) EACsci(t) (>4yrs) EACspi(t) (>3yrs) EACsci(t) (>3yrs)

-20%

-25%

-30%

-35%

-40% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

Project Completion

Note. DCAC = Deviation from Cost at Completion; ES = Earned Schedule; sci = Schedule Cost Index; spi = Schedule Performance Index.

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Defense ARJ , Spring 2025, Vol. 32 No. 1

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