A professional should operate according to moral principles and values such as integrity, cooperation, preparation, autonomy, merits, ethics, responsibility, and teamwork. Ethics provides a framework for professionals to understand issues and resolve problems in an ethical manner. A code of ethics establishes standards of conduct based on values like collaboration, equity, justice, discipline, loyalty, and respect. Unethical behaviors that violate these principles include plagiarism, defamation, slander, extortion, and bribery.