All of the given practices can be effective in minimizing group harms.
Answer: Option E
Explanation:
As mentioned in the options, a collaborative review of the ongoing research by the Institutional Review Board can be taken from time to time during the course of the research to check whether the group of human samples is facing any adverse effects of the research or not.
A chalked plan promising the disclosure of the results of the research can also help in decreasing group harm. Moreover, consultation among the parties participated in research can also reduce the risk of group harm.