social differentiation is among the important concepts in sociology. the importance of the concept may be understood from its frequent recurrence in the works of the early sociologists including spencer, durkheim, weber and marx, as well as in the works of later sociologists such as parsons, smelser and luhmann. the idea of segregation is mainly discussed as a key concept in the theories of soc...

Normally, when we notice a change taking place, our conscious experience has a corresponding quality of phenomenal change. Here it is argued that one’s experience can have this quality at or during a time when there is no change in which phenomenal properties one instantiates. This undermines a number of otherwise forceful arguments against leading metaphysical theories of change, but also requ...

al-aqad was a contemporary prominent critic and writer of egypt who by authoring the book about ibn al rumi life and his poems‚ tried to present thoughtful view points, about this great poet. he believed that ibn al-rumi was a great poet of abbasi era and was a poet laureate of his contemporary poets but unlike his literary position‚ he was not supported by the kings. it is worth noting that be...

Density functional theory is used to analyze the stability and structural properties of droplets formed by the condensation of a volatile solvent on a soluble fluid particle composed of a fixed number of molecules of a second species with extremely low volatility. Interaction parameters between the species are chosen to ensure that the soluble particle is completely wetted by the solvent. We st...

Human cognition entails domain-specific cognitive processes that influence memory, attention, categorization, problem-solving, reasoning, and knowledge organization. This article examines domain-specific causal theories, which are of particular interest for permitting an examination of how knowledge structures change over time. We first describe the properties of commonsense theories, and how c...

Marx, Durkheim and White produced linear theories of history, social change and cultural evolution but their theories have a common deficiency. None of them provide an ultimate explanation for social, cultural and historical change. This failure was rectified by J. S. Mill who suggested increasing human knowledge was the ultimate cause of social, cultural and historical change. However even Mil...

Institutional and ecological theories of organizations are consistently being seen as complementary rather than opposing perspectives. Both theories support the viewpoint that change is often detrimental to organizations. However, within institutional theory a lack of change can also be seen as a liability. To the extent that organizations do not change when their stakeholders change, they may ...

Sleet and Dellinger (2020) distinguish between “nursing theory” “behavioural in that the former primarily focuses on patient care while latter behaviour change. They posit application of behavioural theory is instrumental advancing nursing research practice. Nurses can benefit from a thorough understanding theoretical perspectives related to health-behaviour Behaviour change provide conceptual ...