Effective Feedback

Regular feedback enhances student performance and achievement.  "Helpful feedback is goal-referenced; tangible and transparent; actionable; user-friendly (specific and personalized); timely; ongoing; and consistent". Source: Seven Keys to Effective Feedback.

Tips on giving good feedback.
Students benefit when faculty teach them how to receive - and use - solicited feedback.
It is crucial that the giver of feedback address the problem and not the person.
Formative feedback is crucial for the ongoing development of instructors.