ISTQB
CTFL_UK · Question #42
In general, why is it NOT a good idea to estimate the testing effort based only on a percentage of development effort? Identify THREE valid reasons. 1 credit
The correct answer is A. The quality of the development estimate may be poor. D. Using the same percentage every time does not address the level of risk of the application to be tested. E. The maturity of the organization, e.g. the quality of the test basis, quality of development testing. See the full explanation below for the reasoning.
Question
In general, why is it NOT a good idea to estimate the testing effort based only on a percentage of development effort? Identify THREE valid reasons. 1 credit
Options
- AThe quality of the development estimate may be poor.
- BIn general bottom-up estimation is always better than top-down estimation.
- CThe percentage based technique only applies to the V life cycle model.
- DUsing the same percentage every time does not address the level of risk of the application to be tested.
- EThe maturity of the organization, e.g. the quality of the test basis, quality of development testing,
- FIt builds on large set of historical data
- GThe result is almost always a too low estimate for the required test effort
How the community answered
(45 responses)- A71% (32)
- B9% (4)
- C2% (1)
- F2% (1)
- G16% (7)
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