6. Relative cost to fix an error The cost to fix a defect found on Live site may be as high as 1000 times the cost to fix it during the requirements stage
SOME IMP COSTS Technical support calls Investigation of customer complaints Refunds and recalls Coding / testing of interim bug fix releases PR work to soften drafts of harsh reviews Lost sales Lost customer goodwill – Market value Loss of Data Discounts to resellers to encourage them to keep selling the product.
To save ourselves from the iceberg we do spend on quality assurance and control.
It is important to catch and fix issues early.
Requirements – Use Wiki, understand what developers need to develop quality software. Give time for testing. Clearly define communication points, over communicate than under.