Time plus energy equals learning. There is no substitute for time on task. Learning to use one's time well is critical for students and professionals alike. Students need help in learning effective time management. Allocating realistic amounts of time means effective learning for students and effective teaching for instructors.
Good practice communicates high and clear expectations.
Expect more and you will get it. Our expectations for students must be made clear, as well. Periodically check with students to see if they understand the expectations. Good practice respects diverse talents and ways of learning. There are many roads to learning.