principle suggests that when an individual (the "helper") provides assistance to another person, the helper may benefit. Riessman's model has inspired subsequent...

The T helper cells (Th cells), also known as CD4+ cells or CD4-positive cells, are a type of T cell that play an important role in the adaptive immune...

manipulate the population. Proponents of the theory believe these bots were created intentionally to help manipulate algorithms and boost search results...

animals are often humanized, Santa's Little Helper generally exhibits canine behavior. Santa's Little Helper has become a popular character following his...

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...

theory — Galois theory — Game theory — Gauge theory — Graph theory — Group theory — Hodge theory — Homology theory — Homotopy theory — Ideal theory —...

Rational choice theory refers to a set of guidelines that help understand economic and social behaviour. The theory originated in the eighteenth century...

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

Game theory is the study of mathematical models of strategic interactions among rational agents. It has applications in many fields of social science,...

Follicular helper T cells (also known as T follicular helper cells and abbreviated as TFH), are antigen-experienced CD4+ T cells found in the periphery...

theory of constraints is an overall management philosophy, introduced by Eliyahu M. Goldratt in his 1984 book titled The Goal, that is geared to help...

Decision theory (or the theory of choice) is a branch of applied probability theory and analytic philosophy concerned with the theory of making decisions...

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

crimes. The theory suggests that policing methods that target minor crimes, such as vandalism, loitering, public drinking and fare evasion, help to create...

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...

can be). Helper theory: Those helping each other feel greater interpersonal competence from changing other's lives for the better. The helpers feel they...

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

Modernization theory holds that as societies become more economically modernized, wealthier and more educated, their political institutions become increasingly...

An attachment theory is a psychological, evolutionary, and ethological theory concerning relationships between humans. The most important tenet is that...

Chaos theory is an interdisciplinary area of scientific study and branch of mathematics. It focuses on underlying patterns and deterministic laws of dynamical...

Critical race theory (CRT) is an interdisciplinary academic field focused on the relationships between social conceptions of race and ethnicity, social...

Evolutionary game theory (EGT) is the application of game theory to evolving populations in biology. It defines a framework of contests, strategies, and...

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

Number theory (or arithmetic or higher arithmetic in older usage) is a branch of pure mathematics devoted primarily to the study of the integers and arithmetic...

Spoon theory is a metaphor describing the amount of physical or mental energy that a person has available for daily activities and tasks, and how it can...

known as labor theory of value. STV's development helped to better understand human action and decision making in economics. The theory follows that the...

Terror management theory (TMT) is both a social and evolutionary psychology theory originally proposed by Jeff Greenberg, Sheldon Solomon, and Tom Pyszczynski...

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...

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

Probability theory or probability calculus is the branch of mathematics concerned with probability. Although there are several different probability interpretations...