Forget social constructivism - even connectivism - Kathy Sierra of Creating Passionate Users has posted The Smackdown Learning model:
“Whether you’re writing user instructions, teaching a class, writing a non-fiction book, or giving a conference presentation, consider including at least some aspect of the smackdown model. It’s one of the most engaging ways to cause people’s brains to both feel and think — the two elements you need for attention, understanding, retention, and recall.”