Classroom (IMAGE) Washington State University Caption While tuition inflation presents a challenge for many college-bound students, an area of growing concern for many universities is 'grade inflation' -- in part caused when instructors grade more leniently to discourage students from retaliating by giving low teaching evaluations. Washington State University researchers say instructors can stop worrying about evaluation revenge as long as they use practices in the classroom that students perceive as fair. Credit WSU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.