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Estimation

Little’s Law and CFDs

How much information can a triangle give you? Well, if it’s on a CFD (‘Cumulative Flow Diagram’), then it appears to be quite a lot. After sitting in a presentation recently, someone came up to me to ask how changes in WIP, Cycle Time and Delivery Rate alter the shape of… Read More »Little’s Law and CFDs

The Cobra Effect

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I have worked in lots of organisations where ‘management’ has tried to measure and monitor development teams with the aim of seeing how the teams are performing and then using that information to drive through improvements in performance. This desire to measure and control things can often have some unintended… Read More »The Cobra Effect

Fixed Everything Projects

To most of us, the problems with fixing cost, scope and time are obvious. How do we know we can deliver all of the scope, in the time we’ve been given, with the people we have to do it? The short answer, is that in most cases you can’t especially… Read More »Fixed Everything Projects