Sometimes the adoption of a new work flow meets resistance. The same can be said inside a writer's mind. Scrum is a process framework used to manage product development and other knowledge work. Scrum is empirical in that it provides a means for teams to establish a hypothesis of how they think something works, try it out, reflect on the experience, and make the appropriate adjustments. That is, when the framework is used properly.Scrum is structured in a way that allows teams to incorporate practices from other frameworks where they make sense for the team’s context.