Answer :
Answer:
c.This research would be eligible for exemption because the researcher is not interacting with the children and the playground is a public setting.
Explanation:
In researches, institutional Review Board (IRb) played the roles as an enforcer that force the researchers to be held accountable for the well being of the research subjects.
In the specific case above, the research can be considered as an exemption because there is no chance that the subjects can be hurt or damaged by the method of research that being implemented (since no contact is made to them and none of their identity is exposed)