The controversy started back in the sixties, which theory makes more sense, the nature theory or the nurture theory? Both have great points of idealism in each theory. The nature theory is based more on the genes of the person, and the nurture theory is based on the environment the person is in. Which one makes more of a difference in personality and behavior? In the nature theory, the belief is that the genetics of a person play a huge role in the behavioral and thought processes. A family with history of a mental disorder have a higher chance of having offspring with the genetic properties of that disorder. In the nurture theory, a persons behaviors and thought processes are molded by their environment. Having a family that is successful