transkript: 13. Which of me ıoııowing grading guidelines increases (he washback? A) B) c) D) E) Maıcmng your gradmg pnnosopny consistent Wıth your leachıng Tnanguıaung me letter grades wım aîtemauves Desıgnmg tests wım appropnale dımoulty levels Selemmg appropnate crılena for grad'mg Expıaımng me gradıng cmerıa to the students