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Theory - Wikipedia
Psychological Theories: Definition, Types, and Examples - Verywell …
Theory Definition & Meaning - Merriam-Webster
The Structure of Scientific Theories - Stanford Encyclopedia of Philosophy
Scientific theory | Definition, Characterization, & Empirical Law
Scientific theory - Wikipedia
Full article: Theories and Models: What They Are, What They Are …
Scientific Theory Definition and Examples - Science Notes and …
What is a scientific theory? | Live Science
Concepts, Theory-Theory of | Internet Encyclopedia of Philosophy