Over the years, I have clung to the phrase “fact based decision making” as a kind of guiding principle. There are time when you gut might jump in there and lead you down the right path. However, there is a real problem with letting your gut determine the path.
In a recent meeting, a client did a new page design review with their web user team. This client has a network of sites that follows the same structure and UX, so it is basically changed one place and changed everywhere.