I believe the answer is C or A
Answer:
Informed consent and anonymity
Explanation:
This researcher has violated the anonymous and informed consent clause. Informed consent has to do with participants knowing the reasons for the informations they provide before they give it out. This researcher was not honest with the students because what he told them he needed the emails for was different from what he ended up using them for. He breached the anonymous clause and the privacy of the students by doing this.
When the company performs well and share prices go up, shareholders can trade their shares on the stock exchange and sell them for a profit.
