Feedback is like a compliment or a suggestion. It is a very useful tool in determining where you need to improve or to affirm that which you do well.Giving and receiving feedback is an important part of your ongoing professional practices and an important skill in the teaching and mentoring role. It is necessary to help develop trust and builds on relationships.
Feedback, written or spoken, is a good guide to developing successful outcomes, contributes to solutions and helps you understand the impact your actions have on others. Receiving feedback can show you the strengths and weaknesses in your delivery plan it also helps establish a benchmark in your methods.

It is important to keep feedback sincere and specific. When giving feedback focus on the effort and strategy behind a method or behavior. When receiving feedback be sure to do so in a constructive manner, easy to take feedback in a personal matter, however try to think of feedback delivered as ideas and suggestions to improve your professional practice or increase your ability to perform more productively.

Focus on motivating and increasing self-confidence when giving feedback. Given positively can be a platform by which to create exciting new ideas and / or suggestions around processes and / or tasks
You should never underestimate the power of positive feedback it shows that your method of delivery and ideas are resonating and this rewards your effort.

Whether positive or negative, verbal feedback lets you respond to the language and knowledge that others have about the questions asked. You can use closed questions to build on thinking or use open questions that invite multiple answers and encourages others to discuss a final answer.

Doing feedback in written form gives the receiver more time to reflect on their answers. Often the time and thought taken to write the feedback can demonstrate how valuable and important the feedback is. An extension of written feedback could be something like a hand written thank you note.

Examples of negative and positive feedback:

Negative Feedback

Positive Feedback

Resources and Examples for further reading:

Tips for making the most of feedback

How to give constructive feedback

How to provide effective written feedback