What is a reasonable definition of ‘test effectiveness’?
Note: The suggested answers make the simplifying assumption that one unique failure corresponds to one unique fault, i.e., there is a 1-to-1 relationship between failure and fault.

Question

What is a reasonable definition of ‘test effectiveness’? 
 Note: The suggested answers make the simplifying assumption that one unique failure corresponds to one unique fault, i.e., there is a 1-to-1 relationship between failure and fault.

Answer

Test effectiveness = number of detected unique failures/faults divided by the total number of detected failures/faults.

Answer

Test effectiveness = number of detected unique failures/faults divided by the number of executed tests (test cases).

Answer

Test effectiveness = percentage of detected unique failures/faults out of all unique failures/faults in the code.

Answer

Test effectiveness = number of detected unique failures/faults per test effort unit.

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What is a reasonable definition of ‘test effectiveness’? Note: The suggested a...

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