This course introduces students to Behavioural Decision Science: the science that explains and predicts how humans make decisions (the decision ‘process’) and how well (the decision ‘outcome’). The course will focus on the process, and unveil the subtle and sometimes unconscious influences played by our mind (biases) and the context in which decisions are faced: What has been chosen in the past? Is there positive or negative affect - perhaps because of risk and uncertainty? Can AI be involved? All of these (and more) are factors that often determine how information is searched before choosing, how decisions are made, and the quality of the decision made.