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Manual Testing

(Updated: 1999.09.30 10:29:34 AM)
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Note: Mostly taken from Component Strategies, June 1999, Mission Critical Testing by C.E.Hershovitz.

Manual testing is to use people (testers) to locate and report defects. This isn't the greatest way to test. Here's why:

  • Manual testing tends to find the bulk of the errors toward the end of the release cycle, where they are more expensive to fix.
  • Labor cost associated with manual testing typically consume 25%-50% of total development costs. This rises as the complexity of the environment increases.
  • In addition to its high cost, manual testing is unpopular and is often poorly executed.
  • Testers are unique and they face and carry out their work according to their individual makeup. This can result in vastly different levels of testing effectiveness.
    See also: Automated Testing
    Contributors: Steven Black
    Category Testing