The paper you linked to was published in 2022. The results there were for a different system for sure.
Were the same tests also used here?
Were the same tests also used here?
However, the actual FRCR 2B Rapids exam question bank is not publicly available and the FRCR is unlikely to agree to release them as this would compromise the integrity of their examination in the future- so the test used are mock examinations, none of which have been provided to the model during training.