You Lost Me in the Third Paragraph: A Guide to Gracious Criticism
http://www.gmu.edu/departments/writingcenter/handouts/eiphand.html

George Mason University

Abstract:

When a colleague comes to you for criticism, for help, for feedback, you are not helping that colleague if you say, 'Looks okay to me.' An important skill in college and in the work force is that of giving solid, instructive criticism. This handout is designed to teach you this skill.