According to Gore modernization is not a philosophy or a movement with a clearly articulated value system. It is a process of change. According to Eisenstadt modernization is the most important feature of the contemporary scene. It refers to both firstly the structural aspects of social organization and secondly the socio-demographic aspects of societies.Rustow and Ward say that the basic process in modernization is the application of modern science to human affairs. Talcott Parsons explain modernization by reference to the onset of the process of structural differentiation which can be done by changes in either technology or values. As a result of this the institutions multiply and the simple structures of traditional societies are transformed into complex ones of modern societies.