| Highest (strong positive influence) rating: | The team talked to many customers to understand the problem, personally experienced the problem, and had data proving severity of the problem. |
| Middle (minor influence) rating: | The team experienced the problem firsthand and knows it well. They had no data to prove severity of the problem and did not involve customers. |
| Lowest (strong negative influence) rating: | The team had neither experienced the problem firsthand nor talked with customers. They had no data proving problem severity. |