"Even more than other types of education, eLearning must struggle to attract learners' attention: the Internet is full of distractions, and adult learners are both busier and more free to indulge in distractions. Helping students to pay attention is a primary concern of training professionals, so here are some optimal methods to win the attention game in eLearning."
Via Beth Dichter
These are certainly true. Have a look at www.hotmoodle.com
Rien de nouveau sous le soleil du bon e:enseignant, mais plus d'exigences …
and ask indviduals questions every 2-3 minutes - but always label the behaviour first! so it is a positive experience not a catching out!!