Safety of participants in a study is determined by a review board and this is established by the sponsoring institution.
In researchn, the researchers should always consider whether there is any possibility of harm such as physical or psychological harm to the participants.
This is important because it can make research unethical. The best way to determine this is to have a review board or committee that evaluates the possible harm. This committee is usually sponsored by the researching institution.
According to this, the correct answer is B. because it presents the correct information.
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