Final answer:
Ethical guidelines for the handling of experimental subjects ensure the well-being of participants and animals used in research by following principles of research ethics.
Step-by-step explanation:
The purpose of ethical guidelines for the handling of experimental subjects is to ensure that the experiment does not result in harm to the subjects and follows the principles of research ethics. These guidelines are in place to protect the dignity, safety, and well-being of human participants, as well as to ensure that animals used in research are treated humanely. Ethical considerations include obtaining informed consent from participants, minimizing pain and distress for both humans and animals, and having independent review boards to evaluate and approve research proposals.