Spreadsheet error commission and detection rates are almost identical to those in programming, mathematics, and writing. And professionals make about the same n

Spreadsheet error commission and detection rates are almost identical to those in programming, mathematics, and writing. And professionals make about the same number of errors as novices. What is different in spreadsheet development is the amount of testing. At companies like Microsoft, 40% of development time is spent in testing, and their usually is one tester for each Dev. In spreadsheet development, professional testing is rare. Here is a link on human and spreadsheet error. https://dl.dropbox.com/u/20338447/WhyThinkingIsBadPublicCopy.pdf https://dl.dropbox.com/u/20338447/WhyThinkingIsBadPublicCopy...