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CISA · Question #154

Which of the following is the BEST metric to measure the quality of software developed in an organization?

The correct answer is C. Number of defects discovered in production. The number of defects discovered in production is the most direct and meaningful measure of software quality because it reflects failures that escaped all development and testing gates and impacted end users. High production defect rates indicate systemic quality failures. The am

Submitted by femi9· Apr 18, 2026Information Systems Acquisition, Development, and Implementation

Question

Which of the following is the BEST metric to measure the quality of software developed in an organization?

Options

  • AAmount of successfully migrated software changes
  • BReduction in the help desk budget
  • CNumber of defects discovered in production
  • DIncrease in quality assurance (QA) activities

How the community answered

(36 responses)
  • A
    3% (1)
  • B
    3% (1)
  • C
    86% (31)
  • D
    8% (3)

Explanation

The number of defects discovered in production is the most direct and meaningful measure of software quality because it reflects failures that escaped all development and testing gates and impacted end users. High production defect rates indicate systemic quality failures. The amount of migrated changes (A) measures volume, not quality. A reduction in help desk budget (B) may reflect many unrelated factors. An increase in QA activities (D) measures effort or input, not outcome - more QA activity does not guarantee fewer defects.

Topics

#Software quality#Quality metrics#Defect management#Post-implementation review

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