Measurement ◾ 13
3. We do not quantify or predict the quality of the products we pro-
duce. us, we cannot tell a potential user how reliable a product will
be in terms of likelihood of failure in a given period of use, or how
much work will be needed to port the product to a dierent machine
environment.
4. We allow anecdotal evidence to convince us to try yet another revo-
lutionary new development technology, without doing a carefully
controlled study to determine if the technology is ecient and eec-
tive. Promotional materials for soware development tools and tech-
niques typically include the following types of claims:
a. “Our new technique guarantees 100% reliability.”
b. “Our tool improves productivity by 200%!!”
c. “Build ...