Friday, April 28, 2006

Test Efficiency Vs Test Effectiveness




S. No

Test Efficiency

Test Effectiveness

1
Test efficiency=
internal in the organization
how much resources were consumed
how much of these resources were utilized
Test effectiveness =
how much the customer's requirements are satisfied by the system
how well the customer specifications are achieved by the system
how much effort is put in developing the system
2
Number of test cases executed divided by unit of time (generally per hour).
Number of defects found divided by number of test cases executed.
3
Test efficiency =
(total number of defects found in unit+integration+system) / (total number of defects found in unit+integration+system+User acceptance testing)
Test effectiveness =
(total number of defects injected +total number of defect found) / (total number of defect escaped)* 100
4
Test Efficiency: Test the amount of code and testing resources required by a program to perfirm a function
Test Effectivness: It judge the Effect of the test enviornment on the application
5
Testing Efficiency = (No. of defects Resolved / Total No. of Defects Submitted)* 100
Test Effectiveness = Loss due to problems / Total resources processed by the system
6
Test Efficiency is the rate of bugs found by the tester to the total bugs found.
Let me explain it more clearly:
When the build is sent to the customer side people for the testing (Alpha and Beta Testing), the customer side people also find some bugs.

Test Efficiency = A/(A+B)
Here A= Number of bugs found by the tester
B= Number of bugs found by the custome side people
This test efficiency should always be greater than 90%

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Anonymous said...

Quite useful article.