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Group cohesiveness, also called group cohesion, social harmony or social cohesion, is the degree or strength of bonds linking members of a social group to one another and to the group as a whole. [1] Although cohesion is a multi-faceted process, it can be broken down into four main components: social relations , task relations, perceived unity ...
Adhesion is the tendency of dissimilar particles or surfaces to cling to one another. ( Cohesion refers to the tendency of similar or identical particles and surfaces to cling to one another.) The forces that cause adhesion and cohesion can be divided into several types.
Expectation states theory is a social psychological theory first proposed by Joseph Berger and his colleagues that explains how expected competence forms the basis for status hierarchies in small groups. The theory's best known branch, status characteristics theory, deals with the role that certain pieces of social information (e.g., race ...
Cultural evolution is an evolutionary theory of social change. It follows from the definition of culture as "information capable of affecting individuals' behavior that they acquire from other members of their species through teaching, imitation and other forms of social transmission". [1] Cultural evolution is the change of this information ...
Consensus theory is a social theory that holds a particular political or economic system as a fair system, and that social change should take place within the social institutions provided by it. [1] Consensus theory contrasts sharply with conflict theory , which holds that social change is only achieved through conflict.
Interdependence theory is a social exchange theory that states that interpersonal relationships are defined through interpersonal interdependence, which is "the process by which interacting people influence one another's experiences" [1] (Van Lange & Balliet, 2014, p. 65). The most basic principle of the theory is encapsulated in the equation I ...
According to IUPAC, adhesion is the "process of attachment of a substance to the surface of another substance". Interactions between the adhesive and substrate have a very short range of less than one nanometre. Therefore, good wetting of the materials to be joined by the adhesive in its liquid state is required to produce a high quality bond ...
Eventually, in the 19th century three major classical theories of social and historical change emerged: sociocultural evolutionism; the social cycle theory; the Marxist theory of historical materialism. These theories had a common factor: they all agreed that the history of humanity is pursuing a certain fixed path, most likely that of social ...