Grade inflation causes grades to fail their positive functions of providing feedback on student performance …

„Grade inflation causes grades to fail their positive functions of providing feedback on student performance, motivating students, guiding them in future decisions and providing a basis for recruitment and enrollment decisions.“
Faieza Chowdhury, „Grade Inflation: Causes, Consequences and Cure“. In: „Journal of Education and Learning“, Vol. 7, No. 6, 2018, S. 89