From Derek Rowntree's Preparing Materials for Open, Distance and Flexible Learning. (London: Kogan Page with Institute of Educational Technology, Open University, 1994) 13.
Advice about how to study the material
User-friendly, "You and I" style of writing
Shortish, manageable chunks of learning
Fewer words than usual per screen
Illustrations used where they are better than words
Headings to help learner find their way around
Links to other sites when appropriate
Exercises that get the learners to use the material
Feedback to help learners check their own progress (e-mail, grades)