Write a substantive 2000 word comparison of the four scaling methods below.
Discuss the following for each method
1. Roles – discuss the roles in this method that is not part of Scrum and how they impact the method
2. Processes- discuss any processes in the method that are not part of Scrum and how they are used within the method
3. Artifacts – discuss any artifacts (i.e. product backlog is a Scrum artifact) that are not part of Scrum and how they are used within the method
Make sure to use APA style and cite all sources.