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Exemplifying Differentiation and System Theory, this photographic mosaic may be perceived as a whole/system (a gull) or as a less complex group of parts.. Talcott Parsons was the first major theorist to develop a theory of society consisting of functionally defined sub-systems, which emerges from an evolutionary point of view through a cybernetic process of differentiation.
The layers of the Earth, a differentiated planetary body. In planetary science, planetary differentiation is the process by which the chemical elements of a planetary body accumulate in different areas of that body, due to their physical or chemical behavior (e.g. density and chemical affinities).
Differentiation (ethnography), the invention of ostensible differences between cultures; Differentiation (linguistics), in semantics, a meaning shift reached by "adding concepts to the original concepts" Differentiation (sociology), a feature of modern society, and way of dealing with complexity; Differentiated instruction, in education
The planetary boundaries are defined with reference to dynamic conditions of the Earth system, but scientific discussions about how different planetary boundaries relate to each other are often philosophically and analytically muddled. Clearer definitions of the basic concepts and terms might help give clarity.
The rain-out model is a model of planetary science that describes the first stage of planetary differentiation and core formation. According to this model, a planetary body is assumed to be composed primarily of silicate minerals and NiFe (i.e. a mixture of nickel and iron). If temperatures within this body reach about 1500 K, the minerals and ...
A major source of differentiation is fractionation, an unequal distribution of elements and isotopes. This can be the result of chemical reactions, phase changes, kinetic effects, or radioactivity. [1]: 2–3 On the largest scale, planetary differentiation is a physical and chemical separation of a planet into chemically distinct regions. For ...
In sociology, social complexity is a conceptual framework used in the analysis of society. In the sciences, contemporary definitions of complexity are found in systems theory , wherein the phenomenon being studied has many parts and many possible arrangements of the parts; simultaneously, what is complex and what is simple are relative and ...
In the 18th-century, macaronis distinguished their wealth by excessive mentions of their travels, trendy fashions, and unusually sentimental behavior. In sociology, distinction is a social force whereby people use various strategies—consciously or not—to differentiate and distance themselves from others in society, and to assign themselves greater value in the process.