Tag: agile estimating

7 December 2012 / Agile & Scrum
Agile estimating 3/4: Measurement of an estimate

Now why haven’t I talked about time in the previous chapter? Because using time for our estimates is very dangerous. When you ask someone how long something is going to take and they say 1 hour, your initial reaction is to expect it to be done the next hour. It’s not because we are egotistical or evil. Again, it’s just how the human brain works....

4 December 2012 / Agile & Scrum
Agile estimating 2/4: Absolute versus relative estimates

When you think about it, people always ask for absolute estimates. How long is it going to take to fix my car, when can I have it? And they are not happy when you say between 1-4 hours or 2-3 weeks. They need one absolute number, and some don’t even care if it’s right or wrong. They just need that number or date or timing....

30 November 2012 / Agile & Scrum
Agile estimating 1/4: Ideal versus elapsed time measurement

Why is it that people always think they can estimate the time it will take to finish some amount of work using this wondrous concept of ideal time? Hey, I’m not saying I never do that, I’m one of those people doing just that. What do we think this ideal time consists of? I like the example of a typical NBA match. Ever watched the...