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Schedule Performance Index (SPI) in Project Management

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How to calculate and interpret SPI as it is used in earned value analysis in project management. From Project Management Fundamentals, a new type of textbook designed to be: granular, easy to use with a "flipped" classroom approach, and designed for electronic distribution on iPads, kindle readers, and PCs/Mac. Find out more at http://pmf.education/

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Schedule Performance Index (SPI) in Project Management

  1. 1. Scheduling Performance Index (SPI)
  2. 2. SPI = EV PV Scheduling Performance Index (SPI)
  3. 3. TABLE 13.3 Interpretation of SPI 0 0.5 1 1.5 2 2.5 SPI CPI Ahead of ScheduleBehind Schedule On Schedule
  4. 4. Scheduling Performance Index (CPI) Activity A: Total PV = $24,000 SPI Today Activity A: PV BY TODAY= $16,000
  5. 5. Scheduling Performance Index (CPI) Activity A: Total PV = $24,000 SPI Activity A: PV BY TODAY= $16,000 Today
  6. 6. Scheduling Performance Index (CPI) 50% Activity A: Total PV = $24,000 (CPI)SPI Activity A: PV BY TODAY= $16,000 Today
  7. 7. Scheduling Performance Index (CPI) Activity A: Total PV = $24,000 50% EV= $24,000* 50% = $12,000 SPI EV $12,000 Activity A: PV BY TODAY= $16,000 Today $16,000
  8. 8. Scheduling Performance Index SPI $12,000 = = .75 0.75 $16,000 0 0.5 1 1.5 2 2.5
  9. 9. TABLE 13.3 Interpretation of SPI 0 0.5 1 1.5 2 2.5 SPI CPI Ahead of ScheduleBehind Schedule On Schedule 0.75
  10. 10. TABLE 13.3 Interpretation of SPI 0 0.5 1 1.5 2 2.5 SPI CPI Project 0.75
  11. 11. Scheduling Performance Index (CPI) Activity A: Total PV = $24,000 SPI Today Activity A: PV BY TODAY= $16,000
  12. 12. Scheduling Performance Index (CPI) Activity A: Total PV = $24,000 SPI Activity A: PV BY TODAY= $16,000 Today
  13. 13. Scheduling Performance Index (CPI) 83.33% Activity A: Total PV = $24,000 (CPI)SPI Activity A: PV BY TODAY= $16,000 Today
  14. 14. Scheduling Performance Index (CPI) Activity A: Total PV = $24,000 EV= $24,000* 83.33% = ~$20,000 SPI EV $20,000 Activity A: PV BY TODAY= $16,000 Today $16,000 83.33%
  15. 15. 0 0.5 1 1.5 2 2.5 1.25 Scheduling Performance Index SPI= = 1.25 $16,000 $20,000
  16. 16. TABLE 13.3 Interpretation of SPI 0 0.5 1 1.5 2 2.5 SPI CPI Ahead of ScheduleBehind Schedule On Schedule 1.25
  17. 17. TABLE 13.3 Interpretation of SPI 0 0.5 1 1.5 2 2.5 SPI CPI 1.25 Project
  18. 18. TABLE 13.3 Interpretation of SPI 0 0.5 1 1.5 2 2.5 SPI CPI Ahead of ScheduleBehind Schedule On Schedule
  19. 19. Be Careful When Using Money to Measure Time
  20. 20. Be Careful When Using Money to Measure Time Activity A: Total PV = $24,000 EV= $24,000* 75.00% = ~$18,000EV $18,000 Activity A: PV BY TODAY= $24,000 LF= Jan 4, 2020 Interpretation of SPI Today June 5, 2021 EV 75.00% SPI = $24,000 $18,000 = 0.75 <-18 Months Late->
  21. 21. TABLE 13.3 Interpretation of SPI 0 0.5 1 1.5 2 2.5 SPI CPI Ahead of ScheduleBehind Schedule On Schedule 0.75
  22. 22. Be Careful When Using Money to Measure Time Activity A: Total PV = $24,000 EV= $24,000* 100.00% = ~$24,000EV $24,000 Activity A: PV BY TODAY= $24,000 LF= Jan 4, 2020 Interpretation of SPI Today June 5, 2021 EV 100.00% SPI = $24,000 $24,000 = 1.0 <-18 Months Late->
  23. 23. TABLE 13.3 Interpretation of SPI 0 0.5 1 1.5 2 2.5 SPI CPI Ahead of ScheduleBehind Schedule On Schedule 1.00
  24. 24. Indexes to Monitor Progress

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