Datganiad Ysgrifenedig - Sicrhau dibynadwyedd a chysondeb asesu gan athrawon yng Nghymru: rhaglen ddilysu allanol cyfnodau allweddol 2 a 3 yn 2015-2016.
Written Statement - Securing reliability and consistency of teacher assessment in Wales: key stages 2 and 3 external verification Programme in 2015-2016.