Hierarchy theory is a means of studying ecological systems in which the relationship between all of the components is of great complexity. Hierarchy theory...

Maslow proposed his hierarchy of needs in his 1943 paper "A Theory of Human Motivation" in the journal Psychological Review. The theory is a classification...

science, organizational theory, systems theory, systematic biology, and the social sciences (especially political science). A hierarchy can link entities either...

arithmetical hierarchy was invented independently by Kleene (1943) and Mostowski (1946). The arithmetical hierarchy is important in computability theory, effective...

Cognitive hierarchy theory (CHT) is a behavioral model originating in behavioral economics and game theory that attempts to describe human thought processes...

computability theory, computational complexity theory and proof theory, a fast-growing hierarchy (also called an extended Grzegorczyk hierarchy, or a Schwichtenberg-Wainer...

Central concerns of syntax include word order, grammatical relations, hierarchical sentence structure (constituency), agreement, the nature of crosslinguistic...

logic and descriptive set theory, the analytical hierarchy is an extension of the arithmetical hierarchy. The analytical hierarchy of formulas includes formulas...

In computational complexity theory, the polynomial hierarchy (sometimes called the polynomial-time hierarchy) is a hierarchy of complexity classes that...

User-in-the-loop Viable system theory Viable systems approach World-systems theory Structuralist economics Dependency theory Hierarchy theory List of systems sciences...

The ERG theory is a theory of human need proposed by Clayton Alderfer, which developed Maslow's hierarchy of needs by categorizing needs relating to existence...

The hierarchy of the sciences is a theory formulated[where?] by Auguste Comte in the 19th century. This theory states that science develops over time beginning...

In set theory and related branches of mathematics, the von Neumann universe, or von Neumann hierarchy of sets, denoted by V, is the class of hereditary...

in games without communication. The cognitive hierarchy (CH) theory is a derivation of level-n theory. A level-n player from the CH model would assume...

the Borel set. The Borel hierarchy is of particular interest in descriptive set theory. One common use of the Borel hierarchy is to prove facts about the...

In set theory and mathematical logic, the Lévy hierarchy, introduced by Azriel Lévy in 1965, is a hierarchy of formulas in the formal language of the Zermelo–Fraenkel...

In the mathematical field of descriptive set theory, a subset A {\displaystyle A} of a Polish space X {\displaystyle X} is projective if it is Σ n 1 {\displaystyle...

June 8, 1970) was an American psychologist who created Maslow's hierarchy of needs, a theory of psychological health predicated on fulfilling innate human...

1918 in the area of hierarchy of norms that would help underpin some of Kelsen's ideas on norms and how they fit into his pure theory of law. Kelsen used...

In theoretical physics, the hierarchy problem is the problem concerning the large discrepancy between aspects of the weak force and gravity. There is...

The Chomsky hierarchy in the fields of formal language theory, computer science, and linguistics, is a containment hierarchy of classes of formal grammars...

Computability theory, also known as recursion theory, is a branch of mathematical logic, computer science, and the theory of computation that originated...

theory in anthropology Biochemical systems theory Ecological systems theory Developmental systems theory General systems theory Living systems theory...

from both theories into their practices. McGregor's Theory X and Theory Y and Maslow's hierarchy of needs are both rooted in motivation theory. Maslow's...

whole. Disorganised systems are linked to self-organisation processes. Hierarchic systems which are analyzable into successive sets of subsystems. They...

the study of hyperarithmetical theory. The first definition of the hyperarithmetic sets uses the analytical hierarchy. A set of natural numbers is classified...

Chomsky hierarchy Ineffective complexity hierarchies: Arithmetical hierarchy Hyperarithmetical hierarchy Analytical hierarchy In set theory or logic:...

is a hierarchy of functions used in computability theory. Every function in the Grzegorczyk hierarchy is a primitive recursive function, and every primitive...

complexity theory, the exponential hierarchy is a hierarchy of complexity classes that is an exponential time analogue of the polynomial hierarchy. As elsewhere...

dominance theory (SDT) is a social psychological theory of intergroup relations that examines the caste-like features of group-based social hierarchies, and...