Time estimation techniques in project management

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J. Scott Christianson

Overview of time estimation techniques in project management. Download additional slides, videos, and resources at https://www.christiansonjs.com/ Signup for The Free-Range Technologist, a monthly newsletter filled with creative commons resources, useful apps, and lifehacks: https://mailchi.mp/f8f0219bc305/jscott

Time and Resource Estimation

1. Make Decisions

2. Schedule our Work

3. Determine How Long the Project Should Take

4. Determine Much the Project Should Cost

5. Determine If the Project is Worth Doing

6. Develop Cash Flow Needs

7. Develop Project Baselines

Risky Time Estimates
Too-Low

Risky Time Estimates
Too-Low

Risky Time Estimates
Too-High

Risky Time Estimates
Too-High
Our Project Project B Project C Project D
Project E Project G

Time and Resource Estimation
Top-Down (Macro)
Activity
A
Activity
B
Activity
C
Activity
D
Activity
E
Activity
F
Bottom-up (Micro)

Time and Resource Estimation

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Time estimation techniques in project management

1. Time and Resource Estimation

2. 1. Make Decisions

3. 2. Schedule our Work

4. 3. Determine How Long the Project Should Take

5. 4. Determine Much the Project Should Cost

6. 5. Determine If the Project is Worth Doing

7. 6. Develop Cash Flow Needs

8. 7. Develop Project Baselines

9.

10. Risky Time Estimates Too-Low

11. Risky Time Estimates Too-Low

12. Risky Time Estimates Too-High

13. Risky Time Estimates Too-High Our Project Project B Project C Project D Project E Project G

14. Time and Resource Estimation Top-Down (Macro) Activity A Activity B Activity C Activity D Activity E Activity F Bottom-up (Micro)

15. Time and Resource Estimation