24 Feb '14, 2pm

This piece is absolutely brilliant! #NoEstimates #BlinkEstimation

So where do these expert estimators come from, and how do we grow the next generation of them? Once a team is used to the dynamics of blink estimation you can use it as a learning workshop for the non-experts. The non-expert observers are just that: observers. They are not allowed to ask questions in the blink estimation session because their questions can unintentionally lead to priming or anchoring biases, but they can take whatever notes they like and afterwards they can ask as many questions as they want. One that often comes up is “Why didn’t they discuss X?” Where X is someone’s pet topic, say security or testing. It usually transpires that everyone was aware of X, but no-one thought it would affect the estimate so they didn’t bother raising the subject, and this is the entire point of blink estimation. The estimators only discuss issues they feel could materially af...

Full article: http://dannorth.net/2013/08/08/blink-estimation/

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