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  1. THEORY Definition & Meaning - Merriam-Webster

    The meaning of THEORY is a scientifically acceptable or plausible general principle or body of principles based on data and offered to explain phenomena. How to use theory in a sentence.

  2. Theory - Wikipedia

    Theories are analytical tools for understanding, explaining, and making predictions about a given subject matter. There are theories in many and varied fields of study, including the arts and sciences.

  3. Theory - Definition, Types and Examples - Research Method

    Mar 25, 2024 · A theory is a well-substantiated explanation of an aspect of the natural or social world that is grounded in facts, evidence, and tested hypotheses. It is developed through a systematic …

  4. THEORY | definition in the Cambridge English Dictionary

    a formal statement of the rules on which a subject of study is based or of ideas that are suggested to explain a fact or event or, more generally, an opinion or explanation: economic theory scientific …

  5. THEORY Definition & Meaning | Dictionary.com

    THEORY definition: a coherent group of tested general propositions, commonly regarded as correct, that can be used as principles of explanation and prediction for a class of phenomena. See examples of …

  6. theory noun - Definition, pictures, pronunciation and usage notes ...

    Definition of theory noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  7. Theory - definition of theory by The Free Dictionary

    The branch of a science or art consisting of its explanatory statements, accepted principles, and methods of analysis, as opposed to practice: a fine musician who had never studied theory.

  8. What Is a Theory? - Sly Academy

    Feb 12, 2025 · In everyday conversation, people sometimes use “theory” to mean a mere guess or speculation. However, in scientific and academic contexts, a theory represents a rigorously tested …

  9. theory | Definition

    Mar 29, 2025 · A theory is a set of ideas used to explain how and why things happen. In social science research, a theory offers a broad explanation of patterns in human behavior, relationships, …

  10. Theories are not the facts or data of experience, but they are connected to those facts or data. One complication in linking ideas and data is that the very same data can be organized in different ways. …