Religious fundamentalism is defined by exclusive truth claims plus inflexibility

Evidence

A core construct in the psychology of religion that is conceptually related to Islamophobia is religious fundamentalism (RF), which refers to the belief that one’s own religion contains the only truth about humanity and deity (B. Altemeyer & Hunsberger, 1992). A defining feature of religious fundamentalists is their inflexibility toward ideas that differ from their own religious convictions. — Sherman A. Lee, Chelsea A. Reid, Stephen D. Short, Jeffrey A. Gibbons, Ruth Yeh, and Matthew L. Campbell, Fear of Muslims, 34

Categorization

• DEFINE: Gives the operational definition used by the psychology-of-religion literature: one’s own religion holds the only truth about humanity and deity.
• XREF: Connects to the immodesty-panic material: both treat dress/doctrine as identity boundary-marking that hardens into inflexibility.