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  1. Theory - Wikipedia

    Theories can be scientific, falling within the realm of empirical and testable knowledge, or they may belong to non-scientific disciplines, such as philosophy, art, or sociology. In some cases, …

  2. 36 Theory Examples - Most Famous Theories (2025)

    Sep 14, 2023 · There are theories in just about every academic discipline, including the physical sciences, social sciences, and philosophy. Below are some theory examples that present …

  3. THEORY Definition & Meaning - Merriam-Webster

    While theories are never completely infallible, they form the basis of scientific reasoning because, as Miller said "to the best of our ability, we’ve tested them, and they’ve held up."

  4. Understanding Theories: Definitions, Examples & Key Facts

    Explore theories with definitions, real-life examples, and key facts to enhance your understanding of this captivating subject!

  5. Lists of Established Theories - Theoretical Models and Frameworks ...

    Aug 29, 2025 · Links to Lists of Established Theories Alphabetical List of Psychology-Related Theories List of Theories by Research Purpose or Intent

  6. Scientific Theory Definition and Examples

    Jul 23, 2022 · Both theories and models allow a scientist to form a hypothesis and make predictions about future outcomes. However, a theory both describes and explains, while a …

  7. The Structure of Scientific Theories - Stanford Encyclopedia of Philosophy

    Mar 5, 2015 · The emphasis is on internal diversity, and on the external pluralism of models and theories, of modeling and theorizing, and of philosophical analyses of scientific theories.

  8. Theory Definition & Meaning | Britannica Dictionary

    Her method is based on the theory that all children want to learn. There are a number of different theories about the cause of the disease. She proposed a theory of her own.

  9. theory - Understanding Science

    In science, a broad, natural explanation for a wide range of phenomena. Theories are concise, coherent, systematic, predictive, and broadly applicable, often integrating and generalizing …

  10. Psychological Theories: Definition, Types, and Examples

    Oct 23, 2025 · A theory is based upon a hypothesis and backed by evidence. Learn more about psychology theories and how they are used, including examples.