10 Tips for giving Criticism:-
Check your motive
Make sure the issue is worthy of criticism
Be specific
Don’t undermine the person’s self confidence
Don’t compare one person with another
Be creative or don’t confront
Attack the problem not the person
Confront when the time is right
Look at yourself before looking to others
End confrontation with encouragement
All Extracted from the book:”Be a People’s Person” by John C Maxwell