4 ms·

It's because developers are rubbish for not being pyshic ;) I'm always suprised how few estimates take account of environmental contributions!!

• ashleymoran 16y ago
  Re "environmental contributions", that was part of the discussion, but thinking about it - estimating total effort and elapsed calendar time are very different!
  • oceanician 16y ago
    elapsed calendar time and total effort are often the same in a customer's mind. Time is actually money.
    • ashleymoran 16y ago
      This is why Kanban and its focus on lead time is more valuable than Scrum and its focus on velocity, IMO.