Scientific Way of Decision-Making Author:Nobuko Igaki Affiliation:Kwansei Gakuin University In this course, we will think about how to start taking actions under a specific circumstance to make a decision. In other words, it is practice to make clear what kind of problem you are trying to solve. When the issue is clarified, use Excel to do business simulation. Think throughly to dirive the best answer. In this way, we train ourselves by continously repeating the whole process of decision-making.