This essay discusses the four main industrial relations perspectives and their relevance in implementing workplace change. It explores a case study of an organization undergoing major change and the theories applied, such as radicalism, pluralism, unitarism, and feminism. The essay also examines the issues faced by the organization and how they were resolved through a committee. The best-fit theory for the organization is identified, along with the features of other theories that did not apply. Overall, the essay provides insights into the theories and practices of workplace change.