The ethical principle of means that research participants are given enough information about a study to make a reasonable decision about whether they will participate. a) freedom from coercion
b) informed consent
c) debriefing
d) protection from harm

informed consent                                                                                  

Explanation:

Informed consent: The term informed consent refers to the process of ensuring that the client, research participants, and patients are aware of all the possible costs and risks associated with the procedure of research or treatment. An informed consent will be considered valid only when the participants are competent and voluntarily provided with the consent.

Informed consent is given to the participants before the initiation of particular research and therefore a participant can withdraw from the research anytime he or she wants to withdraw.

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