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Test Estimation Techniques - TestCase Enumeration Based Estimate

Written by  Ritu Saxena | 19 March 2012
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estimationGone are the days when the software testing used to be an additional role and responsibility of the developer. The complexity and size of the software has increased multi-fold and with that the types of testing and complexity of testing has also increased.


In this method first all the test cases are enumerated and then testing effort required for each test case is estimated using person hours or person days consistently. Best Case, Normal Case and Worst Case scenarios are used for estimating effort needed for each test case. Then Expected Effort for individual test case is calculated using Beta Distribution as

Expected Effort = Best Case + Worst Case + (4 * Normal Case) / 6 

This is then summed up to get Expected effort estimate for the project

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Ritu Saxena

Ritu Saxena

Ritu is the technical brain behind the website and comes from a strong development background across Web and Mobile platforms. She is our senior editor primarily responsible for Product Reviews and in future will be leading Start-Ups, Mobile and Quality areas.

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