1. Schwaber
K.
& Sutherland
J. (2020). The Scrum Guide. Scrum.org.
Page 5: "The fundamental unit of Scrum is a small team of people
a Scrum Team. The Scrum Team consists of one Scrum Master
one Product Owner
and Developers. Within a Scrum Team
there are no sub-teams or hierarchies." (Supports option D)
Page 6: "The entire Scrum Team is accountable for creating a valuable
useful Increment every Sprint." (Supports option E)
Page 6: "Developers are the people in the Scrum Team that are committed to creating any aspect of a usable Increment each Sprint... The specific skills needed by the Developers are often broad and will vary with the domain of work." (Supports option D)
2. Dingsøyr
T.
Nerur
S.
Balijepally
V.
& Moe
N. B. (2012). A decade of agile methodologies: Towards explaining agile software development. Journal of Systems and Software
85(6)
1213-1221.
Section 3.1
Page 1215: The paper emphasizes that agile methods
including Scrum
rely on "cross-functional teams [that] have all the competencies needed to accomplish the work without depending on others not part of the team." This principle underpins the absence of a separate "Tester" role
as testing is a competency integrated within the team of Developers. (Supports option D)