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 to mean simply an idea, speculation, or hunch, with theory being the more common choice.
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 and better verified than a hypothesis. (See Big Bang theory, evolution, and relativity.)
A theory is a formal idea or set of ideas that is intended to explain something. Marx produced a new theory about historical change based upon conflict.
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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.