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by growtofill
2625 days ago
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> Even after 30 years in industry I still fall back on this formula with great results. Isn't this Parkinson's law in action, i.e. work expands to fill the time available for its completion? That would mean you overestimate up to 2.4x each time. Edit: math. |
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Oh, so if I estimate every task as 1 minute I'll finish really quickly?
The 2.4x is to overcome one's innate overoptimism (even if you see yourself as a pessimist), and to add contingency for unplanned complexity, bugs and general overhead.
It's a rule of thumb, not an immutable law, so if one has completed a similar task many times then less padding is needed.