How do people make sense of conflicting beliefs? Although Gottlieb & Wineburg’s paper is about highly educated professionals reading history, informal science educators will recognize similar issues when working with people who hold beliefs incompatible with scientific ways of understanding the world. “Epistemic switching” was a way of considering criteria for truth, reliability, and validity according to one belief system or another. Rather than simply believing or excluding ideas as people who held to only one value system, the people with multiple, competing affiliations actually more