From The Art and Popular Culture Encyclopedia
Psychohistory, a fictional science in Isaac Asimov's Foundation universe, combines history, sociology, and mathematical statistics to make (nearly) exact predictions of the collective actions of very large groups of people, such as the Galactic Empire.
- psychohistory, the real (non-fictional) study of the psychological motivation of groups in historical and current events
- macroeconomics, the real economics sub-field that considers aggregate behavior
- economic history, the real economics sub-field trying to discover long-run trends in human behaviour (the equations of the Prime Radiant)
- praxeology, the foundation for the real Austrian School of economics, that attempts to discover synthetic a priori economic laws valid for all human action
- robopsychology, the fictional study of the personalities of intelligent machines
- quantitative psychology, the real psychology sub-field that applies statistical mathematics to psychology
- mathematical sociology, the real sociology sub-field that applies statistical mathematics and other quantitative approaches such as social network analysis to micro- and macro-social phenomena
- cliodynamics, the real area of research focused at mathematical modeling of historical dynamics
- societics, the fictional study of "the interaction of individuals in a culture, the interaction of the group generated by these individuals, the equations derived therefrom, and the application of these equations to control one or more factors of this same culture"