This document discusses organizational effectiveness and organizational climate. It defines organizational effectiveness as the degree to which an organization achieves its goals, and organizational climate as employees' perceptions of the values and culture of an organization. Several models of determining organizational effectiveness are described, including the human relations, open systems, internal process, and rational goal models. The key dimensions of organizational climate include leadership, communication, decision-making, and trust. A positive organizational climate can boost employee performance and business outcomes. Nurse managers play an important role in cultivating a supportive climate.