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Philolaus (4th century BCE) was one of the first to hypothesize movement of the Earth, probably inspired by Pythagoras' theories about a spherical, moving globe. In the 3rd century BCE, Aristarchus of Samos proposed what was, so far as is known, the first serious model of a heliocentric Solar System, having developed some of Heraclides Ponticus' theories (speaking of a "revolution of the Earth ...
Needs-based community development emphasizes local deficits and looks to outside agencies for resources. In contrast, asset-based community development focuses on honing and leveraging existing strengths within the community.
The phrase collaborative leadership (specifying a particular type of public sector leadership) first appeared in 1992 with the founding of the Institute for Collaborative Leadership (a USA-based nonprofit serving the public sector) and later in the 1990s in response to the twin trends of growth in strategic alliances between private corporations, and the formation of long-term public private ...
Girard argued that "the homosexual drift stems logically from the fact that the model/rival is a man", producing at times a "noticeably increased preponderance of the mediator and a gradual obliteration of the [female] object". [27]
Welzel builds his human empowerment framework on an evolutionary theory of emancipation. Emancipation is hereby understood as the universal human desire for an existence free from domination. [ 8 ] Emancipative values emphasize freedom of choice and equality of opportunities . [ 9 ]
Georg Ferdinand Ludwig Philipp Cantor (/ ˈ k æ n t ɔːr / KAN-tor; German: [ˈɡeːɔʁk ˈfɛʁdinant ˈluːtvɪç ˈfiːlɪp ˈkantoːɐ̯]; 3 March [O.S. 19 February] 1845 – 6 January 1918 [1]) was a mathematician who played a pivotal role in the creation of set theory, which has become a fundamental theory in mathematics.
The social model of disability diverges from the dominant medical model of disability, which is a functional analysis of the body as a machine to be fixed in order to conform with normative values. [1] As the medical model of disability carries with it a negative connotation, with negative labels associated with disabled people. [2]
Optimal distinctiveness theory was built upon and further extended the assumptions of social identity theory and other models that examine ingroup bias and favoritism. [ 1 ] [ 2 ] [ 7 ] Social identity theory, proposed by Tajfel and Turner in 1979, describes the psychological basis of such bias and discrimination.