This document discusses research ethics and provides an overview of key concepts and principles. It describes two approaches to ethical decision making - deductive/principle-based reasoning and inductive/case-based reasoning. The Belmont Report established three core ethical principles for research involving human subjects: respect for persons, beneficence, and justice. The document also outlines federal regulations and the role of Institutional Review Boards in protecting research participants. It analyzes several case studies and identifies ethical issues researchers should consider.