Which one of the following statements is accurate with respect to the discipline of Indigenous psychology?

a. It considers the impact of community relationships on mental health.
b. It assumes that culture has little impact on mental health.
c. It promotes the use of universal psychological theories do understand human behaviour.
d. It advocates for the inclusion of non-Indigenous researchers in studies that involve Indigenous participants.
e. It assumes that there are no cross-cultural differences when it comes to knowledge systems.