
728 Part III n Information Quality Applied to Core Business Value Circles
Costs of Poor Quality Software before Implementation into
Production Include:
10
Building defects into the system
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Finding the defects
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Correcting the defects
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Testing to determine that the defect causes are removed
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Costs of Poor Quality Software after Implementation into
Production Include:
Specifying and coding the defect into the system
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Detecting the problems within the application system
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Reporting the problem to Information Services and/or the Process Owner/
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Manager of the process
Correcting the problems caused by the defects
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Operating the system until the defect is corrected
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Correcting the defect
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Testing to determine that the defect no longer exists
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Integrating the corrected program(s) into production
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Regaining Customer Trust and Goodwill (Customer Satisfaction)
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Software Defect Categories:
11
Requirements are Improperly Interpreted.
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The Information Systems
personnel misinterpret what the Knowledge Worker wants but correctly
implement what the Systems Personnel believe is wanted.
Knowledge Workers Specify the Wrong Requirements
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. The Specifications
given to Information Systems are not correct or only partial.
Requirements are Not Correctly Recorded.
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Information Systems person-
nel fail to record the Specifications properly.
Design Specifications are Not Correct
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. The Information System Design
does ...