I am sure everyone will ask..(:-)
As you all know there is no tool or approach available to give 100% correct estimation for Testing Effort. In My knowledge (my opinion) this will depend on Situation, Project, Resources, Technology. If I am having everything (clear specifications, good resources and required technology) in my hand i will choose WBS for Effort Estimation. If I don't have clear requirements I will say 40% of development Team. I feel I should have thorough knowledge on all approaches and should able to choose the right approach based on the situation.
There are some good links available in net on Software Testing Effort Estimation. Please verify the below links.
- Test Effort Estimation Using Use Case Points by Suresh Nageswaran - CTS (Click Here)
- Test Effort Estimation: Learning from an experience Article by Deepak Goel (Click Here)
- Test Effort Estimation by Murali Chemuturi (Click Here)
This is my favourite subject, I am looking for more stuff on this subject..Will post soon...