During the conventional level of moral development, most people still haven't gained enough personal knowledge and experience to develop their sense of moral standard. Typically, this level occurred when we're entering our adolescent years.
In this stage, most people will try to thrive to be "Good girls" or "good boys" in the social group, which is why they tend to tried their best in complying to the rules and values imposed by the society.
Confidentiality is very important because it helps to build and develop trust, thereby allowing free flow of information between the researchers and subjects.
