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Theorist

Written by the Fiveable Content Team โ€ข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated September 2025

Definition

A theorist is a person who develops and presents theories to explain certain phenomena or concepts. In the context of psychology, a theorist is someone who proposes explanations for human behavior and mental processes.

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Theorist Definition - AP Psychology Key Term | Fiveable