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Module 4: Software Testing

20222m

Name of an evaluation technique to assess the quality of test cases is

(i) mutation analysis
(ii) validation
(iii) verification
(iv) performance analysis

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Solution

Correct Answer: (i) mutation analysis

Explanation

Mutation Analysis / Mutation Testing:

  • Create mutants (seed small faults - e.g., change > to >=, + to -) in program

  • Run test suite; if test kills mutant (fails), test is good

  • Mutation Score = Killed mutants / Total mutants → measures quality / effectiveness of test cases.

  • Validation = checking product meets user needs

  • Verification = checking phase output correctly

  • Performance analysis = speed, not test quality.

Answer: (i) mutation analysis

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