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  1. Theory - Wikipedia

    Theories used in applications are abstractions of observed phenomena and the resulting theorems provide solutions to real-world problems. Obvious examples include arithmetic (abstracting concepts …

  2. 36 Theory Examples - Most Famous Theories (2026)

    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 some of …

  3. 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. The Difference …

  4. 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.

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

    Aug 29, 2025 · This page provides a comprehensive list of established theories, theoretical models, and frameworks for academic and research purposes.

  6. Understanding Theories: Definitions, Examples & Key Facts

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

  7. The 10 Most Interesting Philosophical Theories | 2026

    Explore 10 fascinating philosophical theories that challenge our views on existence, morality, and knowledge.

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

    Mar 25, 2024 · Theory is a systematic explanation of phenomena based on observation, experimentation, and reasoning. It provides a framework for understanding complex concepts and …

  9. Examples of Theories That Shape Our World

    Explore how theories shape our understanding of the world, influence decision-making, and provide frameworks for analyzing complex ideas across various fields.

  10. Theories in Scientific Research As we know from previous chapters, science is knowledge represented as a collection of “theories” derived using the scientific method. In this chapter, we will examine what …