robzand.com

Testing of each feature is proceeding in stages. Each group of users, typically less than 1 percent of Yahoo’s audience, is selected for one design change. Other groups of users are picked for other changes. When the new features have been tested and fine-tuned, they are combined into a new page, which becomes the “baseline design” and may be introduced to another, larger group. Then the process begins anew, with more changes. THIS approach requires flexibility, Mr. Bhat said. “You have to have a very clear understanding of where you want to go,” he said. “But users will help you figure out how to adjust your course. If you end up going in a completely different direction, you did something wrong” in the design process, he added.