The economist Daniel McFadden has deeply analyzed people's decision-making process. In his research, every choice people make can be seen as a choice among a limited number of possibilities. Everyone has a utility function. The purpose is to use the most utility. For example, whether to walk, ride a bicycle or take a car to work is an optimization problem involving multiple characteristics. It includes actual expenses, driving time, waiting time, comfort level, etc. People can according to their preferences of different characteristics are weighed and compared, and the best way is finally determined.
meant to illustrate?
People's decision-making process is not only linear but also multidimensional.