2 Points What is one advantage a primary source has over a
secondary source?
O A. A primary source offers a firsthand account of
an event.
B. A primary source combines several different
accounts of an event.
O C. A primary source always includes several
perspectives.
D. A primary source generally benefits from having
been written after an ever.

A is the correct answer

Explanation:

I truly believe it is A

Hope it helps

- Delilah

The IRB must ensure, when designing a study, that those who are impaired are not subject to coercion or undue influence upon their responses. In addition, they are to be ensured that they are being equitably selected by the researchers, and that their capacity to consent is measured properly and that the consent itself truly is voluntary.