Various books by Capers Jones have extensive measures and analyses of the cost and effectiveness of various defect removal methods. For example, see 1....
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May 4, 2009 5:56 am
All, Unfortunately the common metric "cost per defect" is seriously flawed and penalizes quality. It achieves its lowest values for the buggiest software, and...
(responding to Adnan) ... That very much depends on what lifecycle you are following. Very much. Traditional wisdom has it that (for the 4 phases including ...
James, How would I find this? I have a very similar interest. The information all show that "phase containment" is good, but I can't seem to find any...
Dear Adnan, The technical report by SEI: ŒGoal-Driven Software Measurement¹ (http://www.sei.cmu.edu/pub/documents/96.reports/pdf/hb002.96.pdf) refers to a...
The 4th International Workshop on Requirements Engineering Education and Training (REET09) Held in conjunction with the 17th International Requirements...
Dear Paul, Thank you for your help. I meant Waterfall. But perhaps for Agile approaches also a similar reasoning can be applied (of course not in exactly the...
Software Quality Assurance : from theory to implementation, D. Galin, Pearson 2004 Chapter 21: Software Quality Metrics Section 7.4 Amodel for SQA defect...
Hi Joy -- Unfortunately I cannot attend the workshop, but you and your colleagues may be interested in the following papers and online Wiki-like system for ...
I have several health care rules related to Physicians's duties towards patients; I need to convert them to a list of requirements so that a requirement...
Pl see if Guide to Process Rules of SAVVION will be of help. To my understanding all business ruels cannot be expressed only as constraints. There are...
(responding to Adnan) ... I don't think so. Within an iteration, defect removal cost is relatively independent of when the defect is found - th cost of fixing...
All, Software defect removal is a fairly complicated topis with many different cost elements to consider. Here are 22 of them. Best Regards, Capers Jones 1....
For once, I want to quibble with Capers (it's very rare) He describes "invalid defect" as follows: 3. Invalid defect - A problem reported as a defect but...
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May 8, 2009 1:56 pm
Bob, Out of curiosity, how would you deal with these problems and how would want them named? 1) A customer called in with an application start-up problem....
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May 8, 2009 1:56 pm
Bob, A study some years ago by IBM found more bugs and defects in test cases than in the application being tested. The same study found about 30% redundancy...
Capers, You wouldn't happen to have a link to this study, would you? I would like to get more information on the testing processes and types of tests that they...
Capers, In a strange way, you actually make my point for me. First, all customer reported problems should go through a customer support organization and not...
One of my coworkers is supporting one of our clients in the selection of requirements management tools. Does anyone know of a reasonably recent trade study...
Dear Donald, Try the Link below: http://www.volere.co.uk/tools.htm Good Luck...
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May 8, 2009 7:16 pm
Bob, You obviously work in a large company. The company cited in the three problems had only 6 employees at the time of the incidents. Later when it grew to...
The best way to be defect free is to remove the source of defects, the guesswork of requirements engineering. See this press release. The source of defects...
... I don't think that the only cost is documentation through the development cycle... ... Not all the software defects are related with requirements....
Dear Members, I'm looking for the difficulties that can be faced with during the Software Reuse (especially for the Systematic Reuse) Could you please indicate...
(responding to Bob) ... Perhaps a better label would be "Misdirected defect"? ... Problem diagnosis is a multi-stage affair. Before we even get to hear about...
(responding to Jerry) ... Hmm... opinions differ. IMHO the biggest problem with requirements is that in general people don't know how ignorant they are - they...
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May 11, 2009 11:25 am
All, Effective software reuse include more than source code. It also includes: reusable designs reusable test cases reusable HELP text reusable tutoral...
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May 11, 2009 1:04 pm
All, The phrase "invalid defect" has been used by IBM and other major companies for more than 40 years without any apparent insult to clients. From a...
