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Re:Why Development Teams Struggle to Deliver on Time, on Bud... by chiefalchemist on Tuesday June 05, 2018 @11:46AM (#17238789)
Oh. I feel your pain.

But to clarify: You can't predict things well that you haven't done before.

The point being, when trying to predict an unknown it's best to give a range and not a fixed estimate. If possible.

Re:Why Development Teams Struggle to Deliver on Time, on Bud... by jrs235 on Tuesday June 05, 2018 @08:38PM (#17243459)
And then management only hears the low number of the range.
Re:Why Development Teams Struggle to Deliver on Time, on Bud... by jacques_chester on Tuesday June 05, 2018 @09:04PM (#17243593)
"Will management abuse the estimation process?" is a different question from "is estimation possible and improvable?"
Re:Why Development Teams Struggle to Deliver on Time, on Bud... by chrisbennet on Wednesday June 06, 2018 @02:40AM (#17244824)
I like to use the range: “2 weeks to 2 years - roughly.”