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The theory-theory (or 'theory theory') is a scientific theory relating to the human development of understanding about the outside world. This theory asserts...

A conspiracy theory is an explanation for an event or situation that asserts the existence of a conspiracy by powerful and sinister groups, often political...

In physics, string theory is a theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called...

"In Theory" is the 25th episode of the fourth season of the American science fiction television series Star Trek: The Next Generation, originally aired...

Music theory is the study of the practices and possibilities of music. The Oxford Companion to Music describes three interrelated uses of the term "music...

The dead Internet theory is an online conspiracy theory that asserts that the Internet now consists mainly of bot activity and automatically generated...

The Big Bang Theory is an American television sitcom created by Chuck Lorre and Bill Prady, both of whom served as executive producers and head writers...

The theory of relativity usually encompasses two interrelated physics theories by Albert Einstein: special relativity and general relativity, proposed...

Complexity theory may refer to: Computational complexity theory, a field in theoretical computer science and mathematics Complex systems theory, the study...

Theory X and Theory Y are theories of human work motivation and management. They were created by Douglas McGregor while he was working at the MIT Sloan...

Game theory is the study of mathematical models of strategic interactions. It has applications in many fields of social science, and is used extensively...

quantum theory in Wiktionary, the free dictionary. Quantum theory may refer to: Quantum mechanics, a major field of physics Old quantum theory, predating...

Set theory is the branch of mathematical logic that studies sets, which can be informally described as collections of objects. Although objects of any...

relativity, also known as the general theory of relativity, and as Einstein's theory of gravity, is the geometric theory of gravitation published by Albert...

theory/method wars in which [sociologists] all agreed on at least two working hypotheses: (1) grand theory is a waste of time; [and] (2) good theory has...

Field theory may refer to: Field (mathematics), the theory of the algebraic concept of field Field theory (physics), a physical theory which employs fields...

In popular discourse, the debunked horseshoe theory asserts that advocates of the far-left and the far-right, rather than being at opposite and opposing...

In physics, a gauge theory is a type of field theory in which the Lagrangian, and hence the dynamics of the system itself, do not change under local transformations...

A critical theory is any approach to humanities and social philosophy that focuses on society and culture to attempt to reveal, critique, and challenge...

In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time. In Albert...

are currently working to develop a theory of gravity consistent with quantum mechanics, a quantum gravity theory, which would allow gravity to be united...

M-theory is a theory in physics that unifies all consistent versions of superstring theory. Edward Witten first conjectured the existence of such a theory...

Grounded theory is a systematic methodology that has been largely applied to qualitative research conducted by social scientists. The methodology involves...

Function theory may refer to: Theory of functions of a real variable, the traditional name of real analysis, a branch of mathematical analysis dealing...

In mathematics, graph theory is the study of graphs, which are mathematical structures used to model pairwise relations between objects. A graph in this...

A contingency theory is an organizational theory that claims that there is no best way to organize a corporation, to lead a company, or to make decisions...

These fields are the foundation of business and accounting. In some cases, theories in finance can be tested using the scientific method, covered by experimental...

Ramsey theory, named after the British mathematician and philosopher Frank P. Ramsey, is a branch of the mathematical field of combinatorics that focuses...

science, a type theory is the formal presentation of a specific type system. Type theory is the academic study of type systems. Some type theories serve as alternatives...