Which ordering of the list below gives increasing levels of test independence?
a) Tests designed by a fellow-member of the design team.
b) Tests designed by a different group within the organisation.
c) Tests designed by the code author.
d) Tests designed by different organisation.
A . c, a, b, d.
B . d, b, a, c
C . c, a, d, b.
D . a, c, d, b.
Answer: A