QFD on the Web

Considering that in a spreadsheet environment secondary requirements are generally edited far more than primary requirements (the primary requirements list or “quality characteristics hierarchy” is usually pulled automatically from other Houses of Quality in the QFD), have you ever wondered why it is that the secondary requirements are the ones that are flipped on their sides and run across the top of the HOQ?

For those of you unfamiliar with the difficulty row on a House of Quality, it is used to rate a requirement in terms of its difficulty to accomplish….Before you decide that entering difficulty values in your QFD isn’t worth the effort required to do so, you should consider whether or not difficulty will affect your prioritization.

At the end of the day, all of these teams had one thing in common: they had modified the QFD tool to work for them in a pragmatic way that they could and would continue to use…