4.10. Deming Revolution Finally Comes to Software
The concept of defect root cause analysis and prevention originated in the manufacturing industry, in the fields of quality control and management, pioneered by W. Edwards Deming and Joseph M. Juran. This discipline is called Total Quality Management (TQM). Its application to software development was introduced by Watts S. Humphrey and gained some popularity in the 1990s. But it has not yet really taken root.
There are two reasons why TQM techniques have been slow to catch on in IT:
They were rejected by the software development culture. Many people within the industry doubted that effective defect prevention could be applied to IT.
Tools to support TQM for software did not exist.
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