Grade descriptors

IB Chemistry: Grade descriptors

The exams are criterion-based rather than being norm referenced. In theory (although it is very unlikely to happen in practice!) all students could achieve the top grade of 7. The level of performance that each student must be able to demonstrate in order to achieve a particular grade is set out clearly in the Group 4 Grade Descriptors. Based on these descriptors the senior examining team at the Grade Award Meeting...


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