Theory X and theory Y

Theory, Stable theory, Set theory, Theory of computation, Superstring theory, Critical theory, Theory (mathematical logic), Grounded theory, Theory X and Theory Y, Computability theory, String theory, M-theory, Theory-theory, Type theory, Scientific theory, Model theory, Theory of everything, Number theory, Twistor theory, Game theory, Decision theory, Gauge theory, Naive set theory, Intuitionistic type theory, Information theory, Probability theory, Systems theory, Group theory, Negotiation theory, Germ theory denialism, Götaland theory, Communication theory, Descriptivist theory of names, Nordström's theory of gravitation, Practice theory, Circumscription theory, Dynamical systems theory, Organizational theory, Queer theory, Economic Theory, International relations theory

Molecular orbital theory, Fringe theory, Morse–Kelley set theory, Unified field theory, Theory (clothing retailer), C-K theory, Complexity theory and organizations, Scalar–tensor theory, Heim theory, Drive theory, Theory of mind, Theory of relativity, F-theory, Psychoanalytic theory, Lie theory, Coding theory, Strain theory (sociology), Cell theory, Labeling theory, Cannon–Bard theory, Quare theory, Social theory, Literary theory, BCS theory, Emission theory (relativity), Vapnik–Chervonenkis theory, Continuity theory, Equity theory, Evolution as fact and theory, Interpolation theory, Caloric theory, Outline of critical theory, Inter-universal Teichmüller theory, Statistical theory, Conspiracy theory, Seiberg–Witten theory, Type II string theory, Lawvere theory, Quantum field theory, Causal theory of reference, Valence bond theory, Temporal theory (hearing), Path–goal theory, Germ theory of disease, Sociological theory, Theory of Colours, Actor–network theory, Twisted K-theory, Theory of a Deadman, Theory of art

Theory, Stable theory, Set theory, Theory of computation, Superstring theory, Critical theory, Theory (mathematical logic), Grounded theory, Theory X and Theory Y, Computability theory, String theory, M-theory, Theory-theory, Type theory, Scientific theory, Model theory, Theory of everything, Number theory, Twistor theory, Game theory, Decision theory, Gauge theory, Naive set theory, Intuitionistic type theory, Information theory, Probability theory, Systems theory, Group theory, Negotiation theory, Germ theory denialism, Götaland theory, Communication theory, Descriptivist theory of names, Nordström's theory of gravitation, Practice theory, Circumscription theory, Dynamical systems theory, Organizational theory, Queer theory, Economic Theory, International relations theory, Molecular orbital theory, Fringe theory, Morse–Kelley set theory, Unified field theory, Theory (clothing retailer), C-K theory, Complexity theory and organizations, Scalar–tensor theory, Heim theory, Drive theory, Theory of mind, Theory of relativity, F-theory, Psychoanalytic theory, Lie theory, Coding theory, Strain theory (sociology), Cell theory, Labeling theory, Cannon–Bard theory, Quare theory, Social theory, Literary theory, BCS theory, Emission theory (relativity), Vapnik–Chervonenkis theory, Continuity theory, Equity theory, Evolution as fact and theory, Interpolation theory, Caloric theory, Outline of critical theory, Inter-universal Teichmüller theory, Statistical theory, Conspiracy theory, Seiberg–Witten theory, Type II string theory, Lawvere theory, Quantum field theory, Causal theory of reference, Valence bond theory, Temporal theory (hearing), Path–goal theory, Germ theory of disease, Sociological theory, Theory of Colours, Actor–network theory, Twisted K-theory, Theory of a Deadman, Theory of art, Bisexual theory, Heterotic string theory, Pattern theory, Dual-coding theory, Transformational theory, Yang–Mills theory, Contract theory, Zermelo set theory, Regality theory, Chern–Simons theory, Graph theory, Transition state theory, Introduction to M-theory, Matrix string theory, Subjective theory of value, Perturbation theory, Liouville field theory, Postdevelopment theory, Miasma theory, Set theory (music), Dependency theory, K-theory, Development theory, Journal of Combinatorial Theory, Representation theory, Combinatorial game theory, Ring theory, Potential theory, Control theory, Singularity theory, Bow-wow theory, Kaluza–Klein theory, Constructive set theory, Theory of forms, Grand Unified Theory, Labor theory of value, A Theory of Justice, Optimality theory, Algorithmic learning theory, Brans–Dicke theory, Film theory, ∞-Chern–Weil theory, Automata theory, Dempster–Shafer theory, Pecking order theory, Ginzburg–Landau theory, Journal of Approximation Theory, Kripke–Platek set theory, Theory of Change, IEEE Transactions on Information Theory, Identity theory, Instructional theory, Free-radical theory of aging, KK-theory, Rev Theory, Polysystem theory, Structuration theory, Homotopy type theory, Emission theory (vision), Empathising–systemising theory