Mintzberg and Quinns Model of Change
Mintzberg and Quin (1991) proposed 4 broad situational factors which can influence the extent to which an organization can change. These factors are organizational age and size, the technical systems of the organization, organizational environment and the nature of control exerted from various sources.
The model further goes on to describing 5 main components of an organization which influence the extent to which an organization need to change. These components are:

According to Mintzberg, all the components need to blend for improved organizational functioning. He equally maintained that organizational structures can be identified as machine organization (bureaucracy), entrepreneurial organization, the innovative organization (adhocracy) and the divisional (diversified) organization.
He explained that machine organizations have more formalized structures and rely on standardized processes, routines and procedures are involved in the process of organizational functioning, is based on centralized decision-making process, and moreover, tasks are clustered or grouped in accordance with the functional departments.
He further described that machine organizations have a vertical structure, in which the decision making is centralized and the senior management implement decisions centrally. Since the machine organizations follow centralized decision making and are formalized structures like the government organizations, hence they can do well when it comes to handling the routine nature of works but not under circumstances when radical decisions are supposed to be implemented.
Limitations of this Model
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