Karl Marx thought Sociology should be a science because of his economic focusKarl Popper thought that all academic subject areas that wanted to be called a ‘science’ should subject themselves to a process of falsification.To test itself, therefore, Sociology must come up with testable hypotheses, such as; suicide is caused by insufficient regulation and integrationKarl Popper rejected Marxism as a pseudo-science, because its concepts, such as false class consciousness, were too abstract to be seen and measured.