noun
role theory
A sociological and psychological framework that analyzes human behavior through the roles individuals occupy in society.
役割理論は、社会学や心理学でよく使われる概念だ。
Role theory is a concept often used in sociology and psychology.
Compound of 役割 (role) and 理論 (theory). The exact origin is uncertain, but it likely entered Japanese as a calque of the English term 'role theory' in academic contexts.