Psychodynamics New Synthesis", psychiatrist Mardi J. Horowitz states that his own interest and fascination with psychodynamics began during the 1950s, when he heard Ralph Greenson, a popular local psychoanalyst who spoke to the public on topics such as "People who Hate", speak on the radio at UCLA. In his radio discussion, according to Horowitz, he "vividly described neurotic behavior and unconscious mental processes and linked psychodynamics theory directly to everyday life." In the 1950s, American psychiatrist Eric Berne built on Freud's psychodynamic model, particularly that of the "ego states", to develop a psychology of human interactions called transactional analysis which, according
Berne Convention exceptions, the Berne Convention establishes the "three-step test" in Article 9(2), which establishes a framework for member nations to develop their own national exceptions. The three-step test establishes three requirements: that the legislation be limited to certain (1) special cases; (2) that the exception does not conflict with a normal exploitation of the work, and (c) that the exception does not unreasonably prejudice the legitimate interests of the author. The Berne Convention does not expressly reference doctrines such as fair use or fair dealing, leading some critics of fair use to argue that fair use violates the Berne Convention. However,