Which of the Following Would Be a Positive Consideration When

Which of the following would be a positive consideration when evaluating a researcher's expertise regarding a particular scientific claim?

A) The researcher has an ideological, political, or religious belief that will be supported by the scientific claims being made.
B) The researcher stands to make money if others accept the claims being made.
C) The researcher stands to gain in prestige if others accept the claims being made.
D) The researcher has a PhD, MD, or at least an MS and years of experience in the field in which he or she is making a scientific claim.