Agile transformation requires more than a change in process; it needs a change in mindset. In order to fully embrace agile and create a productive environment, you have to change how you think about priorities and failure. Priorities are decided proactively, not reactively, and failure is not punished, it is celebrated. Once you make this shift in perspective, you can reap the rewards of agile.
The core of the Scrum framework for managing product development is the three key roles: ScrumMaster, product owner, and the development team. This triad is what makes Scrum so successful—when it works. However, it is the absence of these three roles that is the root cause of the majority of unsuccessful adoptions.