Quote: code inspections are two to four times more effective than formal designer testing and system testing

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The first release [of a packet-switching system] … included 300,000 lines of new or changed high-level … Release 2 coincided with the general introduction of … code. Both systems were similar in functionality and … For these two large releases, inspections [0.5 defects per man-hour] were two to four times more efficient at finding errors … [0.2 defects] or system testing [0.1 defects]. … In general, these results agree with those in … times more efficient than testing.   Google-1   Google-2

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Related Topics

Topic: software review (80 items)
Group: testing   (18 topics, 551 quotes)