Applicability refers to the degree to which something can be relevant or useful in a particular context. In psychology, it specifically refers to how well a theory or concept can be applied and understood across different situations or cultures.
Related terms
Cross-cultural validity: Refers to the extent to which findings from research or theories hold true across different cultural groups.
Cultural relativism: The belief that cultural norms and values should be understood within their own specific cultural context, rather than using one universal standard.