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19609Re: [CMMi Process Improvement] Review efficiency as a metric

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  • yogesh verma
    Jul 22, 2013
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      Hi Sunny,

      Review effectiveness = No. of Pre-delivery defects detected (in a phase) / Total no. of pre-delivery defects for the project (across all phases)

      The review effectiveness will tell you the effectiveness of review in the system e.g. in design phase if reviewer could detect 10 defects through review and in the later phases if you discover 10 more defects which are because design problems then the review effectiveness will be 50%.

      The higher the value of review effectiveness the better it is as it tell me that reviews are effective and discovering the defects at the right time. You can review effectiveness with your business goal by doing regression analysis.

      Thanks & Regards,
      Yogesh Verma
      (m) 9373251107


      From: EDWARD F WELLER III <edwardfwelleriii@...>
      To: cmmi_process_improvement@yahoogroups.com
      Sent: Wednesday, 17 July 2013 4:26 AM
      Subject: Re: [CMMi Process Improvement] Review efficiency as a metric

       
      Sunny
      Review effectiveness is a much better indication of the success of reviews - % of defects found - which means you have to colect all post inspection defect discoveries
       
      When you worry too much about efficiency (cost per defect found) in inspections) you are creating a "go faster" environment, which has been proven over 40 years to result in higher overall life cycle costs
       
      For definitions, etc, suggest you get Ron Radices book on inspections - it will also in detail explain the false value of efficiency compared to effectiveness
       
      Ed
       
      ----- Original Message -----
      Sent: Tuesday, July 16, 2013 4:01 AM
      Subject: [CMMi Process Improvement] Review efficiency as a metric

       
      Hi All,
       
      Could you please ellaborate on Review efficiency as a metric? How can we use in the organization? What is the formula for that? Can review efficiency use for Code review or document review?
       
      Please suggest.
       
      Thanks & Regards
      Sunny


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