1 - Be kind: All feedback is there to help. No personal comments. No sarcasm.
2 - Be specific: No comments like ‘It’s good’ or ‘I like it’. These just waste our time. Ban them. Use vocab pulled out from model.
3 - Be helpful: Aim is to help an individual or the whole class with their learning. Comments should focus on this. Anything else wastes time.
4 - Hard on content, soft on people.