This document discusses the importance of critical thinking in the workplace and its impact on beliefs, attitudes, and values. It explores different management theories relevant to the role of an assistant manager and how these theories can enhance performance and productivity. The document also provides insights into the role of beliefs, attitudes, and values in organizational culture and the benefits of effective relationships within the organization. Additionally, it discusses Tuckman's Teamwork Theory, Bureaucratic Management Theory, Scientific Management Theory, Human Relations Theory, and Contingency Theory.