Which of the following is a requirement for ethical research involving human participants?

Informed consent must be obtained from participants is essential in ethical research involving human participants. This principle ensures that individuals are fully aware of the nature and purpose of the research, the procedures involved, any potential risks, and their rights related to participation. It empowers participants to make informed decisions about their involvement, respecting their autonomy and personal agency.

Obtaining informed consent is a critical element of ethical standards in research, as it helps protect participants from harm and fosters trust between researchers and the community. It also ensures compliance with legal and ethical guidelines established by institutional review boards and other regulatory bodies. By requiring informed consent, researchers acknowledge the importance of participants' voluntary participation, free from coercion or undue influence. This foundational practice upholds the ethical principles of respect for persons, beneficence, and justice in research.