They found the couple's writings, which echoed surrealism, radicalism and situationism. A third well-known study supporting situationism is an obedience study, the Milgram experiment. Forms of libertarian communism such as situationism are influenced by Stirner. Forms of libertarian communism such as Situationism are influenced by Stirner. Many studies have found evidence supporting situationism. Forms of libertarian communism such as Situationism are strongly egoist in nature. The single cover art attributes influences to Situationism and Deconstructionism. The opposite of dispositionism is "situationism". His performance and video work was marked heavily by confrontation and Situationism. Studies investigating bystander effects also support situationism. However, situationism has also been criticized for ignoring individuals' inherent influences on behavior.