Jim Highsmith on Intrinsic Quality

http://www.optimalfriction.com/archives/2008/08/jim_highsmith_o.html

Have you ever worked on a project in which the code never seemed to stabilize, no matter how much testing was done? If the code has a high defect density to begin with, then it will probably have a high error-feedback ratio as well. Low-quality code causes worse error-location dynamics. Have you ever worked on a project where the testing seemed to take forever — multiples of the budgeted time?
All three of these factors (high defect density, lengthy error location curves, and high error-feedback rations) show why poor code  can lead to an inordinate amount of testing — testing that can never (and I mean never, no matter how much testing is done), result in a high-quality code base.

TD

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