10 principles of usability for learning

Nielsen and Loranger’s book, Prioritizing Web Usability is a world of value
and a bookshelf essential, but what does it have to say about designing for learning on the web?  The Nielsen Norman Group offer detailed reports on specific genres like e-commerce,
but, nothing yet on education.  Nor does the book showcase any
educational sites or make reference to these in user studies. This, of