1. The document distinguishes between marking, which is used to grade students, and feedback, which can help students improve.
2. While feedback has a powerful influence on learning, simply providing more feedback is not always beneficial - the nature, timing, and how students receive feedback are important factors.
3. Evidence suggests that delaying, reducing, and summarizing feedback can better support long-term learning compared to immediate, detailed feedback after every task. Less marking and more strategic feedback may be a better use of teachers' time.