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why effort estimation is important?
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Answer / sevak.yatrik777
If we go by quality standards the sizing of software testing
effort has to be done before the tester(s) start writing the
test cases for the purpose. The estimate will clearly draw
out of the functional specifications signed off between the
customer and vendor. Without sizing the Testing manager can
never create a testing plan based on which he will decide
the number of days and persons required to write test cases,
perform testing, draw out the testing results, submit the
result report to development team and get the reported bugs
resolved. The plan will comprise of time-line and no. of
persons required for each of this phase in the sequence
mentioned above.
To calculate a reasonable testing time-line estimate based
on functional specifications there are certain guidelines
that need to be followed: the person who is planning has to
have ample business and testing knowledge. Unless (s)he has
the right business knowledge (s)he will not be able to
select the right persons for writing test cases, or able to
guide them on the critical business rules and processes
written in the software to hit upon. In that case the best
of the test cases will lack the complete coverage and
accuracy in testing. The software may lack bug-proofing at
the end and customer will be the sole sufferer. Ultimately
it is going to effect the software, and the organization
that built it.
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