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  2. Tree model - Wikipedia

    en.wikipedia.org/wiki/Tree_model

    Cladistic representation of the Mayan linguistic family, going back 4000 years.(The numbers represent proposed historical dates in the Common Era).. In historical linguistics, the tree model (also Stammbaum, genetic, or cladistic model) is a model of the evolution of languages analogous to the concept of a family tree, particularly a phylogenetic tree in the biological evolution of species.

  3. Chomsky hierarchy - Wikipedia

    en.wikipedia.org/wiki/Chomsky_hierarchy

    The Chomsky hierarchy in the fields of formal language theory, computer science, and linguistics, is a containment hierarchy of classes of formal grammars. A formal grammar describes how to form strings from a language's vocabulary (or alphabet) that are valid according to the language's syntax. The linguist Noam Chomsky theorized that four ...

  4. Vroom–Yetton decision model - Wikipedia

    en.wikipedia.org/wiki/Vroom–Yetton_decision_model

    The Vroom–Yetton contingency model is a situational leadership theory of industrial and organizational psychology developed by Victor Vroom, in collaboration with Philip Yetton (1973) and later with Arthur Jago (1988). The situational theory argues the best style of leadership is contingent to the situation. This model suggests the selection ...

  5. Edgar Schein - Wikipedia

    en.wikipedia.org/wiki/Edgar_Schein

    Edgar Henry Schein (March 5, 1928 – January 26, 2023) [1] was a Swiss-born American business theorist and psychologist who was professor at the MIT Sloan School of Management. He was a foundational researcher in the discipline of organizational behavior, [2] and made notable contributions in the field of organizational development in many ...

  6. Minimalist program - Wikipedia

    en.wikipedia.org/wiki/Minimalist_program

    The examples below show the progression of syntax structure from X-bar theory (the theory preceding BPS), to specifier-less structure. BPS satisfies the principles of UG using at minimum two interfaces such as 'conceptual-intentional and sensorimotor systems' or a third condition not specific to language but still satisfying the conditions put ...

  7. Hockett's design features - Wikipedia

    en.wikipedia.org/wiki/Hockett's_design_features

    Hockett's design features. Hockett's Design Features are a set of features that characterize human language and set it apart from animal communication. They were defined by linguist Charles F. Hockett in the 1960s. He called these characteristics the design features of language. Hockett originally believed there to be 13 design features.

  8. Language family - Wikipedia

    en.wikipedia.org/wiki/Language_family

    A language family is a group of languages related through descent from a common ancestor, called the proto-language of that family. The term family is a metaphor borrowed from biology, with the tree model used in historical linguistics analogous to a family tree, or to phylogenetic trees of taxa used in evolutionary taxonomy.

  9. Deep structure and surface structure - Wikipedia

    en.wikipedia.org/wiki/Deep_structure_and_surface...

    Deep structure and surface structure (also D-structure and S-structure although those abbreviated forms are sometimes used with distinct meanings) are concepts used in linguistics, specifically in the study of syntax in the Chomskyan tradition of transformational generative grammar. The deep structure of a linguistic expression is a theoretical ...