Severity Differences across Proficiency Levels among Peer-assessors Shahla Rasouli1; Aso Piri2 1 English Instructor at Payam Nour University, Saghez, Iran;shsh1913@yahoo.com 2 MA in English Language Teaching;aso_piri@yahoo.com Abstract Over the past few years, peer-assessment, as an alternative assessment procedure, has drawn the attention of many researchers. In the و...