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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.

Because of the rigors of experimentation and control, it is understood to be more likely to be true than a hypothesis is. In non-scientific use, however, hypothesis and theory are often used interchangeably …

THEORY definition: 1. a formal statement of the rules on which a subject of study is based or of ideas that are…. Learn more.

In science, an explanation or model that covers a substantial group of occurrences in nature and has been confirmed by a substantial number of experiments and observations. A theory is more general …

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Jan 25, 2026 · A comprehensive guide defining conflict theory in sociology. Explore its Marxist roots, core tenets, and real-world examples in education, justice, and gender.

3 days ago · A new quantum gravity theory suggests the Big Bang may have unfolded naturally—and could soon be testable.

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.