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So now you have 4 wrong estimates to work with :) To have some predictability you should have small features. That's the only thing that can give you strong est

So now you have 4 wrong estimates to work with :) To have some predictability you should have small features. That's the only thing that can give you strong estimates. No industry has solved giving strong and correct estimates - it's in the name, it's estimation!

jph 9mo ago
Yes small features help enormously. I've used ROPE and work breakdown structures (WBS) to estimate multiple projects at thousands of staff hours to under 4% of actual. The ROPE advantage is that it uses multiple perspectives, which gets stakeholders understanding that the estimates are imperfect and depend on many factors.