Numbers Are Useless To The Novice

For the subject of numbers around software projects Level 4 of the Capability Maturity Model (CMM) is da bomb: software as a Quantitatively Managed process. A quantitatively managed process is a defined (capability level 3) process that is controlled using statistical and other quantitative techniques. Quantitative objectives for quality and process performance are established and …

The 1:10:100 Rule

One of the subscribers of my newsletter brought one old rule of thumb to my attention (thanks Terry!). I almost forgot this one. It is known as the 1:10:100 Rule: the cost to fix a defect increases exponentially the later in the development lifecycle that it is identified. Photography by Absolutwade. A defect caught in …