Why does the USMLE use experimental items?

On June 4, 2020, the USMLE announced an important change to the Step 1 and Step 2 CK tests. Or at least, an important change for some test-takers. To clear the backlog of examinees after the Prometric closures this spring, the USMLE planned to have some students take the USMLE using “event-based testing” in July […]