This simple question can help you get feedback from the people around you: "What would I be doing if you were to rate me as an excellent_________?" Fill in the blank with "boss," employee," "customer," "co-worker," or whatever relationship you're talking about with the other person. The answer will give you some action-oriented tips to consider, and improve your performance in ways you might not have thought of.
~Adapted from the InnoVision Communication website