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    Home IT Management
    • IT Management

    Software Quality—By The Numbers

    By
    John McCormick
    -
    March 4, 2004
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      There can be as many as 20 to 30 bugs per 1,000 lines of software code.
      —Sustainable Computing Consortium
      There are no methods of removing software defects or errors that are 100% effective.
      —“Software Quality: Analysis and Guidelines for Success,” by Capers Jones
      32% of organizations say that they release software with too many defects.
      —Cutter Consortium
      38% of organizations believe they lack an adequate software quality assurance program.
      —Cutter Consortium
      27% of organizations do not conduct any formal quality reviews.
      —Cutter Consortium
      Formal design and code inspections average about 65% in defect removal efficiency. Most forms of testing are less than 30% efficient.
      —“Software Quality: Analysis and Guidelines for Success,” by Capers Jones
      Developers spend about 80% of development costs on identifying and correcting defects.
      —The National Institute of Standards and Technology
      Peer reviews of software will catch 60% of defects.
      —Institute of Electrical and Electronics Engineers

      John McCormick
      Editor-in-Cheifjohn_mccormick@ziffdavisenterprise.comBefore joining Baseline, John was the editor of Inter@ctive Week, another Ziff Davis publication. He was the editorial director at SIGS Publications and the editor of both the print and online editions of CMP Media's InformationWeek. At CMP, he wrote a popular column, 'McCormick Place,' that focused on technology and business. He also served as the editor-in-chief of InfoDaily and appeared as a regular analyst on CNBC's Technology Edge program.
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