31. For examples of the more frivolous and distasteful sort of psychohistory, see " The Journal of Psychohistory ". 32. DeMause has made major contributions to the study of Psychohistory which is the study of the psychological motivations of historical events. 33. According to Krugman, his interest in economics began with Isaac Asimov's psychohistory " to try to save civilization. 34. Like Isaac Asimov's psychohistory , psychodynamics can be used to predict and guide the future course of social evolution. 35. On the other hand, psychohistory is a controversial, but established field of inquiry on child abuse in different cultures. 36. When an academic source talks about psychohistory it invariably refers to subjects related to what is being discussed in the article. 37. In examining his own psychohistory , Lifton is vague about what led to his interest in genocide and state-sponsored killing. 38. Daneel continues to explain that human internal warfare or parochialism was the reason for his causing the creation of psychohistory and Gaia. 39. Since present-day science fell far short of " psychohistory ", Krugman turned to economics as the next best thing. 40. This concept is elaborated somewhat in Isaac Asimov's psychohistory " is used to predict and manipulate social and political developments.