Business benefits of reviews

Software reviews and inspections significantly improve the quality of products, and provide major savings in cost and time. Sound logical, but where is the data to prove it? I’ve made an overview of data that has been published on the business benefits of reviews.

Some of the facts on review are:

  • Repairing a defect in acceptance test is 50 times as expensive than in requirement review
  • Reviews find between 51% – 70% of the defects in documents
  • On average every hour spend in inspection saves 2,3 hours in system test
  • The combination of reviews and testing can find 97% of the defects before release

See the Tools section of my website: Business Benefits of Reviews. If you have data that you can share, please let me know so I can add it!

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Ben Linders

I help organizations with effective software development and management practices. Active member of several networks on Agile, Lean and Quality, and a frequent speaker and writer.

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