Our debut issue explores the ideas, people, and places shaping New York now. Discover new articles online, pick up in store, or preview exclusively on the Theory App. Join our mailing list …

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 …

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.

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 …

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 …

Mar 25, 2024 · Theories are central to academic disciplines, offering a foundation for research, analysis, and application. This article explores the definition of theory, its various types, and …

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Dec 5, 2025 · Attachment theory says that your first 24 months of life may predict much about your future relationships. Here’s why.

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 between competing groups.

theory, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary