The document discusses ethics in research and provides examples of ethical and unethical research practices. It defines ethics as norms for acceptable versus unacceptable behavior. Research ethics are important to promote transparency, accountability, and public trust in research. Common ethical principles discussed include honesty, integrity, and respect for colleagues. The document outlines various codes and policies for research ethics from government agencies and professional societies. It also discusses how to make ethical decisions and identifies the most serious offenses as fabrication, falsification, and plagiarism. Examples are given of past cases of scientific misconduct.