Question

Informed consent has two components. research participants must understand that their participation is __________ and based on a full understanding of possible risks and benefits involved.

Answer 1

The answer to this question is Voluntary.
One negative aspect about the voluntary aspects of research is that it may damage the validity of the research.
For example, if research is being done through questions about certain topics. People who know the purpose of the research could fake the data to obtain positive results.