Abstract: A method and device for typing thinking styles. More specifically, a group interactive method and device for determining people's thinking style types which they often express in their characteristic traits of temperament and personality. More specifically, a game that is enhanced by group interactions, and in the playing of which an individual person's thinking style may be categorized into one of four distinct classes. Methods and devices of this invention are based on the foundation of a novel model for classifying individuals and groups of people's styles of thinking into four separate categories.