Rational decision making involves choosing the best option when faced with uncertainty or time constraints. The article discusses three perspectives on decision making: problem-solving, decision-making process, and decision-making system. Key concepts include rationality, group decision making, uncertainty, and techniques for improving decision-making systems. Understanding these concepts can enhance decision making. The article emphasizes selecting the best alternative, how people make decisions, and improving decision-making systems within organizations. Numerous references are provided for further details on rational decision making.