Theory of planned behaviour

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

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

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