A study conducted by NIST in 2002 reports that software bugs cost the U.S. economy $59.5 billion annually. More than a third of this cost could be avoided, if better software … See more

Software testing is typically goal driven.
Finding bugs
Software testing typically includes handling software … See more

Testing can be categorized many ways.
Automated testing
Levels
Software testing can be categorized into levels based on how … See more

Software verification and validation
Software testing is used in association with verification and validation:
• Verification: Have we built the software right? (i.e., does it … See more

Glenford J. Myers initially introduced the separation of debugging from testing in 1979. Although his attention was on breakage testing ("A successful test case is one that detects an as-yet undiscovered error." ), it illustrated the desire of the software … See more

Roles
In an organization, testers may be in a separate team from the rest of the software development team … See more

Some of the major software testing controversies include:
Agile vs. traditional Should testers learn to work under conditions of uncertainty and constant change or should they aim at process "maturity"? The agile testing movement has … See more