For a fuller understanding of the nature of feedback and closing the gap between actual performance and intended performance, we need to explore the different purposes, types, and levels of feedback a...For a fuller understanding of the nature of feedback and closing the gap between actual performance and intended performance, we need to explore the different purposes, types, and levels of feedback and ask three important questions: The use of feedback is regarded as one of the most powerful strategies to improve student achievement and you may or may not be aware of just how much attention it receives in education policy and practice.