Snyder, M.
M. (2009). Instructional-design theory to guide the creation of online learning
communities for adults. TechTrends, 53(1), 48-56.
It's available on ProQuest Central through the Hunt Library databases.
It focuses on the instructional strategies, rather than on the design process, which is unusual and needed.
Here's the theory model (click on each one for a larger view):




